./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:59:06,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:59:06,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 01:59:06,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:59:06,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:59:06,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:59:06,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:59:06,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:59:06,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:59:06,711 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:59:06,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:59:06,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:59:06,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:59:06,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:59:06,714 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:59:06,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:59:06,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:59:06,715 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:59:06,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:59:06,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:59:06,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:59:06,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:59:06,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:59:06,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:59:06,719 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 01:59:06,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:59:06,720 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:59:06,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:59:06,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:59:06,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:59:06,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:59:06,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:59:06,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:59:06,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:59:06,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:59:06,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:59:06,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:59:06,723 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:59:06,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:59:06,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:59:06,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:59:06,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:59:06,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:59:06,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:59:06,725 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a [2023-11-29 01:59:06,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:59:06,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:59:06,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:59:06,934 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:59:06,934 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:59:06,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2023-11-29 01:59:09,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:59:09,897 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:59:09,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2023-11-29 01:59:09,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/data/b937a9a18/881c88f183ae4225b667574495dfabf2/FLAGb6c7e9d81 [2023-11-29 01:59:09,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/data/b937a9a18/881c88f183ae4225b667574495dfabf2 [2023-11-29 01:59:09,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:59:09,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:59:09,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:59:09,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:59:09,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:59:09,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:59:09" (1/1) ... [2023-11-29 01:59:09,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678a9e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:09, skipping insertion in model container [2023-11-29 01:59:09,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:59:09" (1/1) ... [2023-11-29 01:59:09,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:59:10,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:59:10,117 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:59:10,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:59:10,148 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:59:10,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10 WrapperNode [2023-11-29 01:59:10,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:59:10,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:59:10,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:59:10,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:59:10,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,183 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-29 01:59:10,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:59:10,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:59:10,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:59:10,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:59:10,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,198 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,209 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 01:59:10,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:59:10,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:59:10,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:59:10,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:59:10,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (1/1) ... [2023-11-29 01:59:10,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:59:10,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:10,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:59:10,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:59:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:59:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:59:10,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:59:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:59:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:59:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:59:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 01:59:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 01:59:10,357 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:59:10,360 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:59:10,541 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:59:10,566 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:59:10,566 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:59:10,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:59:10 BoogieIcfgContainer [2023-11-29 01:59:10,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:59:10,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:59:10,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:59:10,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:59:10,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:59:09" (1/3) ... [2023-11-29 01:59:10,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565023f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:59:10, skipping insertion in model container [2023-11-29 01:59:10,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:59:10" (2/3) ... [2023-11-29 01:59:10,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565023f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:59:10, skipping insertion in model container [2023-11-29 01:59:10,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:59:10" (3/3) ... [2023-11-29 01:59:10,576 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound10.c [2023-11-29 01:59:10,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:59:10,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-29 01:59:10,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:59:10,643 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7baf13aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:59:10,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-29 01:59:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 35 states have (on average 1.8) internal successors, (63), 57 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 01:59:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 01:59:10,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:10,656 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:10,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:10,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:10,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1616721719, now seen corresponding path program 1 times [2023-11-29 01:59:10,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:10,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622686175] [2023-11-29 01:59:10,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:10,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:10,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:10,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622686175] [2023-11-29 01:59:10,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:59:10,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769434394] [2023-11-29 01:59:10,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:10,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:10,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:10,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:10,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:59:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:10,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:59:10,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:59:10,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:10,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769434394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:10,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:10,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:59:10,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864668077] [2023-11-29 01:59:10,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:10,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:59:10,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:10,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:59:10,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:59:10,913 INFO L87 Difference]: Start difference. First operand has 64 states, 35 states have (on average 1.8) internal successors, (63), 57 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:59:10,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:10,947 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2023-11-29 01:59:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:59:10,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2023-11-29 01:59:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:10,957 INFO L225 Difference]: With dead ends: 126 [2023-11-29 01:59:10,957 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 01:59:10,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:59:10,964 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:10,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:59:10,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 01:59:11,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-29 01:59:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 55 states have internal predecessors, (58), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:59:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2023-11-29 01:59:11,004 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 14 [2023-11-29 01:59:11,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:11,005 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2023-11-29 01:59:11,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:59:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-11-29 01:59:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-29 01:59:11,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:11,006 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:11,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:11,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 01:59:11,208 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:11,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:11,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1919924458, now seen corresponding path program 1 times [2023-11-29 01:59:11,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:11,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392664546] [2023-11-29 01:59:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:11,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 01:59:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 01:59:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:11,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:11,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392664546] [2023-11-29 01:59:11,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392664546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:11,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:11,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:59:11,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191773386] [2023-11-29 01:59:11,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:11,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:59:11,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:11,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:59:11,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:11,342 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:11,387 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2023-11-29 01:59:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:59:11,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-29 01:59:11,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:11,389 INFO L225 Difference]: With dead ends: 75 [2023-11-29 01:59:11,390 INFO L226 Difference]: Without dead ends: 65 [2023-11-29 01:59:11,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:59:11,392 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 9 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:11,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 167 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:59:11,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-29 01:59:11,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-29 01:59:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.631578947368421) internal successors, (62), 59 states have internal predecessors, (62), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:59:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2023-11-29 01:59:11,402 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 14 [2023-11-29 01:59:11,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:11,404 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2023-11-29 01:59:11,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2023-11-29 01:59:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 01:59:11,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:11,405 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:11,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:59:11,405 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:11,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:11,406 INFO L85 PathProgramCache]: Analyzing trace with hash -390003592, now seen corresponding path program 1 times [2023-11-29 01:59:11,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:11,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784129791] [2023-11-29 01:59:11,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:11,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:11,420 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:11,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1299138982] [2023-11-29 01:59:11,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:11,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:11,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:11,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:11,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:59:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:11,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 01:59:11,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:59:11,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:11,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:11,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784129791] [2023-11-29 01:59:11,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:11,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299138982] [2023-11-29 01:59:11,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299138982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:11,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:11,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:59:11,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387058659] [2023-11-29 01:59:11,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:11,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:59:11,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:11,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:59:11,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:59:11,638 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:11,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:11,778 INFO L93 Difference]: Finished difference Result 110 states and 116 transitions. [2023-11-29 01:59:11,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:59:11,778 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2023-11-29 01:59:11,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:11,780 INFO L225 Difference]: With dead ends: 110 [2023-11-29 01:59:11,780 INFO L226 Difference]: Without dead ends: 104 [2023-11-29 01:59:11,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:59:11,782 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 174 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:11,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 136 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:11,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-29 01:59:11,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 88. [2023-11-29 01:59:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.65) internal successors, (99), 81 states have internal predecessors, (99), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 01:59:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 107 transitions. [2023-11-29 01:59:11,796 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 107 transitions. Word has length 17 [2023-11-29 01:59:11,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:11,796 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 107 transitions. [2023-11-29 01:59:11,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2023-11-29 01:59:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 01:59:11,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:11,798 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:11,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:59:11,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:11,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:11,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:11,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1131295462, now seen corresponding path program 1 times [2023-11-29 01:59:12,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:12,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806320384] [2023-11-29 01:59:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:12,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:12,016 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:12,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [208047468] [2023-11-29 01:59:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:12,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:12,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:12,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:12,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:59:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:12,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:59:12,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:12,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:12,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806320384] [2023-11-29 01:59:12,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:12,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208047468] [2023-11-29 01:59:12,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208047468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:12,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:12,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:59:12,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239479809] [2023-11-29 01:59:12,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:12,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:59:12,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:12,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:59:12,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:12,107 INFO L87 Difference]: Start difference. First operand 88 states and 107 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:12,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:12,168 INFO L93 Difference]: Finished difference Result 98 states and 118 transitions. [2023-11-29 01:59:12,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:59:12,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-11-29 01:59:12,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:12,170 INFO L225 Difference]: With dead ends: 98 [2023-11-29 01:59:12,171 INFO L226 Difference]: Without dead ends: 92 [2023-11-29 01:59:12,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:12,172 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 45 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:12,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 65 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:59:12,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-29 01:59:12,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2023-11-29 01:59:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 66 states have (on average 1.5303030303030303) internal successors, (101), 83 states have internal predecessors, (101), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 01:59:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 109 transitions. [2023-11-29 01:59:12,186 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 109 transitions. Word has length 19 [2023-11-29 01:59:12,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:12,186 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 109 transitions. [2023-11-29 01:59:12,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 109 transitions. [2023-11-29 01:59:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 01:59:12,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:12,187 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:12,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:59:12,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:12,388 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:12,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:12,389 INFO L85 PathProgramCache]: Analyzing trace with hash -710420897, now seen corresponding path program 1 times [2023-11-29 01:59:12,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:12,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559463726] [2023-11-29 01:59:12,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:12,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:12,400 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:12,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063121641] [2023-11-29 01:59:12,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:12,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:12,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:12,402 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:12,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:59:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:12,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:59:12,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:12,480 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:12,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:12,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559463726] [2023-11-29 01:59:12,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:12,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063121641] [2023-11-29 01:59:12,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063121641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:12,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:12,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:59:12,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078324986] [2023-11-29 01:59:12,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:12,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:59:12,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:12,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:59:12,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:12,484 INFO L87 Difference]: Start difference. First operand 90 states and 109 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:12,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:12,563 INFO L93 Difference]: Finished difference Result 139 states and 166 transitions. [2023-11-29 01:59:12,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:59:12,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2023-11-29 01:59:12,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:12,566 INFO L225 Difference]: With dead ends: 139 [2023-11-29 01:59:12,567 INFO L226 Difference]: Without dead ends: 128 [2023-11-29 01:59:12,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:12,568 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 54 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:12,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 86 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:12,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-29 01:59:12,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116. [2023-11-29 01:59:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 90 states have (on average 1.4666666666666666) internal successors, (132), 107 states have internal predecessors, (132), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 01:59:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 144 transitions. [2023-11-29 01:59:12,586 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 144 transitions. Word has length 20 [2023-11-29 01:59:12,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:12,587 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 144 transitions. [2023-11-29 01:59:12,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2023-11-29 01:59:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 01:59:12,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:12,588 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:12,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:12,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:12,796 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:12,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:12,797 INFO L85 PathProgramCache]: Analyzing trace with hash -548211268, now seen corresponding path program 1 times [2023-11-29 01:59:12,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:12,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896119698] [2023-11-29 01:59:12,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:12,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:12,806 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:12,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757792429] [2023-11-29 01:59:12,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:12,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:12,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:12,808 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:12,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:59:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:12,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 01:59:12,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:59:12,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:59:13,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:13,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896119698] [2023-11-29 01:59:13,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:13,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757792429] [2023-11-29 01:59:13,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757792429] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:13,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:13,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-29 01:59:13,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031804528] [2023-11-29 01:59:13,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:13,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:59:13,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:13,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:59:13,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:59:13,158 INFO L87 Difference]: Start difference. First operand 116 states and 144 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:59:13,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:13,418 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2023-11-29 01:59:13,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:59:13,418 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2023-11-29 01:59:13,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:13,420 INFO L225 Difference]: With dead ends: 136 [2023-11-29 01:59:13,420 INFO L226 Difference]: Without dead ends: 133 [2023-11-29 01:59:13,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:59:13,421 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 143 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:13,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 165 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:59:13,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-29 01:59:13,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 120. [2023-11-29 01:59:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 94 states have (on average 1.4361702127659575) internal successors, (135), 111 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 01:59:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 147 transitions. [2023-11-29 01:59:13,446 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 147 transitions. Word has length 21 [2023-11-29 01:59:13,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:13,446 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 147 transitions. [2023-11-29 01:59:13,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:59:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 147 transitions. [2023-11-29 01:59:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 01:59:13,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:13,448 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:13,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:59:13,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:13,657 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:13,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:13,657 INFO L85 PathProgramCache]: Analyzing trace with hash 185319937, now seen corresponding path program 1 times [2023-11-29 01:59:13,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:13,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368124622] [2023-11-29 01:59:13,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:13,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:13,664 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:13,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [421667756] [2023-11-29 01:59:13,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:13,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:13,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:13,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:13,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:59:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:13,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:59:13,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:59:13,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:13,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:13,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368124622] [2023-11-29 01:59:13,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:13,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421667756] [2023-11-29 01:59:13,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421667756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:13,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:13,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:59:13,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856832792] [2023-11-29 01:59:13,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:13,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:59:13,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:13,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:59:13,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:59:13,924 INFO L87 Difference]: Start difference. First operand 120 states and 147 transitions. Second operand has 7 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:14,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:14,080 INFO L93 Difference]: Finished difference Result 121 states and 147 transitions. [2023-11-29 01:59:14,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:59:14,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-29 01:59:14,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:14,082 INFO L225 Difference]: With dead ends: 121 [2023-11-29 01:59:14,082 INFO L226 Difference]: Without dead ends: 120 [2023-11-29 01:59:14,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:59:14,083 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 142 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:14,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 102 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:14,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-29 01:59:14,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2023-11-29 01:59:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 94 states have (on average 1.425531914893617) internal successors, (134), 111 states have internal predecessors, (134), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 01:59:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 146 transitions. [2023-11-29 01:59:14,096 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 146 transitions. Word has length 22 [2023-11-29 01:59:14,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:14,097 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 146 transitions. [2023-11-29 01:59:14,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:59:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 146 transitions. [2023-11-29 01:59:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 01:59:14,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:14,098 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:14,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:59:14,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:14,300 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:14,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:14,301 INFO L85 PathProgramCache]: Analyzing trace with hash -294711385, now seen corresponding path program 1 times [2023-11-29 01:59:14,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:14,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449569375] [2023-11-29 01:59:14,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:14,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:14,310 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:14,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970797893] [2023-11-29 01:59:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:14,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:14,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:14,311 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:14,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:59:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:14,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:59:14,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:14,389 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:14,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:14,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449569375] [2023-11-29 01:59:14,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:14,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970797893] [2023-11-29 01:59:14,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970797893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:14,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:14,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:59:14,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14203062] [2023-11-29 01:59:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:14,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:59:14,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:14,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:59:14,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:14,392 INFO L87 Difference]: Start difference. First operand 120 states and 146 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:14,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:14,422 INFO L93 Difference]: Finished difference Result 120 states and 146 transitions. [2023-11-29 01:59:14,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:59:14,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2023-11-29 01:59:14,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:14,423 INFO L225 Difference]: With dead ends: 120 [2023-11-29 01:59:14,423 INFO L226 Difference]: Without dead ends: 118 [2023-11-29 01:59:14,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:59:14,424 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 70 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:14,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 64 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:59:14,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-29 01:59:14,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-11-29 01:59:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 109 states have internal predecessors, (131), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 01:59:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 143 transitions. [2023-11-29 01:59:14,435 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 143 transitions. Word has length 35 [2023-11-29 01:59:14,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:14,435 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 143 transitions. [2023-11-29 01:59:14,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2023-11-29 01:59:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 01:59:14,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:14,437 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:14,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 01:59:14,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:14,640 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:14,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:14,641 INFO L85 PathProgramCache]: Analyzing trace with hash 250201833, now seen corresponding path program 1 times [2023-11-29 01:59:14,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:14,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311710309] [2023-11-29 01:59:14,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:14,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:14,649 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:14,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163531662] [2023-11-29 01:59:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:14,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:14,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:14,651 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:14,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:59:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:14,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:59:14,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:14,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:14,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:14,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311710309] [2023-11-29 01:59:14,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:14,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163531662] [2023-11-29 01:59:14,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163531662] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:14,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:14,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:59:14,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942572568] [2023-11-29 01:59:14,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:14,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:59:14,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:14,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:59:14,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:59:14,758 INFO L87 Difference]: Start difference. First operand 118 states and 143 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:14,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:14,804 INFO L93 Difference]: Finished difference Result 118 states and 143 transitions. [2023-11-29 01:59:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:59:14,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2023-11-29 01:59:14,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:14,806 INFO L225 Difference]: With dead ends: 118 [2023-11-29 01:59:14,806 INFO L226 Difference]: Without dead ends: 117 [2023-11-29 01:59:14,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:59:14,807 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:14,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 104 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:59:14,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-29 01:59:14,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-11-29 01:59:14,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 108 states have internal predecessors, (128), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 01:59:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 140 transitions. [2023-11-29 01:59:14,817 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 140 transitions. Word has length 37 [2023-11-29 01:59:14,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:14,817 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 140 transitions. [2023-11-29 01:59:14,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 140 transitions. [2023-11-29 01:59:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 01:59:14,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:14,819 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:14,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 01:59:15,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:15,024 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:15,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:15,025 INFO L85 PathProgramCache]: Analyzing trace with hash -833677725, now seen corresponding path program 1 times [2023-11-29 01:59:15,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:15,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387637368] [2023-11-29 01:59:15,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:15,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:15,033 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:15,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [231785530] [2023-11-29 01:59:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:15,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:15,035 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:15,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:59:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:15,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:59:15,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:15,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:15,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:15,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387637368] [2023-11-29 01:59:15,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:15,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231785530] [2023-11-29 01:59:15,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231785530] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:15,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:15,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2023-11-29 01:59:15,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093517022] [2023-11-29 01:59:15,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:15,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:59:15,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:15,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:59:15,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:59:15,222 INFO L87 Difference]: Start difference. First operand 117 states and 140 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 01:59:15,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:15,332 INFO L93 Difference]: Finished difference Result 293 states and 346 transitions. [2023-11-29 01:59:15,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:59:15,333 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 38 [2023-11-29 01:59:15,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:15,335 INFO L225 Difference]: With dead ends: 293 [2023-11-29 01:59:15,335 INFO L226 Difference]: Without dead ends: 283 [2023-11-29 01:59:15,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:59:15,337 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 98 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:15,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:59:15,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-29 01:59:15,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 245. [2023-11-29 01:59:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 214 states have (on average 1.3691588785046729) internal successors, (293), 228 states have internal predecessors, (293), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 01:59:15,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 315 transitions. [2023-11-29 01:59:15,352 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 315 transitions. Word has length 38 [2023-11-29 01:59:15,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:15,352 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 315 transitions. [2023-11-29 01:59:15,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 01:59:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 315 transitions. [2023-11-29 01:59:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 01:59:15,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:15,353 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:15,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 01:59:15,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 01:59:15,556 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:15,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:15,557 INFO L85 PathProgramCache]: Analyzing trace with hash -260192497, now seen corresponding path program 1 times [2023-11-29 01:59:15,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:15,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620804340] [2023-11-29 01:59:15,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:15,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:15,563 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:15,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886956160] [2023-11-29 01:59:15,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:15,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:15,564 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:15,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:59:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:15,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:59:15,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:15,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:15,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:15,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620804340] [2023-11-29 01:59:15,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:15,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886956160] [2023-11-29 01:59:15,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886956160] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:59:15,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:59:15,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 01:59:15,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693798857] [2023-11-29 01:59:15,881 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:15,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:59:15,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:15,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:59:15,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:59:15,883 INFO L87 Difference]: Start difference. First operand 245 states and 315 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:15,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:15,999 INFO L93 Difference]: Finished difference Result 255 states and 317 transitions. [2023-11-29 01:59:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:59:15,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2023-11-29 01:59:16,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:16,002 INFO L225 Difference]: With dead ends: 255 [2023-11-29 01:59:16,002 INFO L226 Difference]: Without dead ends: 252 [2023-11-29 01:59:16,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:59:16,003 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 61 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:16,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 89 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:16,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-29 01:59:16,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 242. [2023-11-29 01:59:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 214 states have (on average 1.3364485981308412) internal successors, (286), 225 states have internal predecessors, (286), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 01:59:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 308 transitions. [2023-11-29 01:59:16,022 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 308 transitions. Word has length 40 [2023-11-29 01:59:16,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:16,022 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 308 transitions. [2023-11-29 01:59:16,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 308 transitions. [2023-11-29 01:59:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 01:59:16,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:16,023 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:16,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:16,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 01:59:16,224 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:16,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:16,224 INFO L85 PathProgramCache]: Analyzing trace with hash 523967238, now seen corresponding path program 1 times [2023-11-29 01:59:16,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:16,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899904484] [2023-11-29 01:59:16,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:16,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:16,233 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:16,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [197731465] [2023-11-29 01:59:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:16,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:16,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:16,235 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:16,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 01:59:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:16,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:59:16,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:16,430 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:16,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:16,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899904484] [2023-11-29 01:59:16,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:16,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197731465] [2023-11-29 01:59:16,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197731465] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:59:16,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:59:16,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 01:59:16,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412782984] [2023-11-29 01:59:16,553 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:16,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:59:16,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:16,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:59:16,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:59:16,555 INFO L87 Difference]: Start difference. First operand 242 states and 308 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:16,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:16,669 INFO L93 Difference]: Finished difference Result 341 states and 419 transitions. [2023-11-29 01:59:16,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:59:16,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2023-11-29 01:59:16,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:16,672 INFO L225 Difference]: With dead ends: 341 [2023-11-29 01:59:16,672 INFO L226 Difference]: Without dead ends: 336 [2023-11-29 01:59:16,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:59:16,674 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 133 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:16,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 109 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-11-29 01:59:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 313. [2023-11-29 01:59:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 282 states have (on average 1.3191489361702127) internal successors, (372), 293 states have internal predecessors, (372), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 01:59:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 400 transitions. [2023-11-29 01:59:16,691 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 400 transitions. Word has length 41 [2023-11-29 01:59:16,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:16,691 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 400 transitions. [2023-11-29 01:59:16,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 400 transitions. [2023-11-29 01:59:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 01:59:16,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:16,692 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:16,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 01:59:16,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:16,895 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:16,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:16,896 INFO L85 PathProgramCache]: Analyzing trace with hash 23653362, now seen corresponding path program 1 times [2023-11-29 01:59:16,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:16,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025851071] [2023-11-29 01:59:16,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:16,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:16,903 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:16,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978175997] [2023-11-29 01:59:16,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:16,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:16,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:16,904 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:16,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 01:59:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:16,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 01:59:16,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:59:17,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:59:17,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:17,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025851071] [2023-11-29 01:59:17,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:17,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978175997] [2023-11-29 01:59:17,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978175997] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:17,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:17,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2023-11-29 01:59:17,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100318249] [2023-11-29 01:59:17,169 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:17,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:59:17,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:17,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:59:17,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:59:17,171 INFO L87 Difference]: Start difference. First operand 313 states and 400 transitions. Second operand has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 01:59:17,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:17,439 INFO L93 Difference]: Finished difference Result 322 states and 407 transitions. [2023-11-29 01:59:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 01:59:17,440 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 43 [2023-11-29 01:59:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:17,442 INFO L225 Difference]: With dead ends: 322 [2023-11-29 01:59:17,442 INFO L226 Difference]: Without dead ends: 316 [2023-11-29 01:59:17,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2023-11-29 01:59:17,443 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 139 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:17,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 160 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:59:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2023-11-29 01:59:17,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 313. [2023-11-29 01:59:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 282 states have (on average 1.297872340425532) internal successors, (366), 293 states have internal predecessors, (366), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 01:59:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 394 transitions. [2023-11-29 01:59:17,469 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 394 transitions. Word has length 43 [2023-11-29 01:59:17,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:17,469 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 394 transitions. [2023-11-29 01:59:17,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 01:59:17,470 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 394 transitions. [2023-11-29 01:59:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 01:59:17,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:17,470 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:17,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:17,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 01:59:17,676 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:17,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:17,676 INFO L85 PathProgramCache]: Analyzing trace with hash 733254281, now seen corresponding path program 1 times [2023-11-29 01:59:17,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:17,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104530921] [2023-11-29 01:59:17,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:17,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:17,683 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:17,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343283583] [2023-11-29 01:59:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:17,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:17,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:17,684 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:17,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 01:59:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:17,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:59:17,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:17,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:17,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:17,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104530921] [2023-11-29 01:59:17,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:17,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343283583] [2023-11-29 01:59:17,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343283583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:17,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:17,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:59:17,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791263479] [2023-11-29 01:59:17,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:17,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:59:17,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:17,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:59:17,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:17,765 INFO L87 Difference]: Start difference. First operand 313 states and 394 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:17,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:17,836 INFO L93 Difference]: Finished difference Result 319 states and 396 transitions. [2023-11-29 01:59:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:59:17,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2023-11-29 01:59:17,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:17,839 INFO L225 Difference]: With dead ends: 319 [2023-11-29 01:59:17,839 INFO L226 Difference]: Without dead ends: 318 [2023-11-29 01:59:17,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:17,840 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 18 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:17,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 57 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-11-29 01:59:17,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2023-11-29 01:59:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 282 states have (on average 1.2765957446808511) internal successors, (360), 293 states have internal predecessors, (360), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 01:59:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 388 transitions. [2023-11-29 01:59:17,855 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 388 transitions. Word has length 44 [2023-11-29 01:59:17,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:17,856 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 388 transitions. [2023-11-29 01:59:17,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 388 transitions. [2023-11-29 01:59:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 01:59:17,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:17,857 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:17,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 01:59:18,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 01:59:18,060 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:18,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:18,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1596888275, now seen corresponding path program 1 times [2023-11-29 01:59:18,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:18,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550216226] [2023-11-29 01:59:18,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:18,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:18,066 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:18,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [96438638] [2023-11-29 01:59:18,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:18,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:18,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:18,068 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:18,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 01:59:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:18,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 01:59:18,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:59:18,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:59:18,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:18,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550216226] [2023-11-29 01:59:18,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:18,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96438638] [2023-11-29 01:59:18,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96438638] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:18,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:18,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-11-29 01:59:18,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475119222] [2023-11-29 01:59:18,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:18,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 01:59:18,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 01:59:18,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:59:18,463 INFO L87 Difference]: Start difference. First operand 313 states and 388 transitions. Second operand has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:59:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:18,646 INFO L93 Difference]: Finished difference Result 315 states and 389 transitions. [2023-11-29 01:59:18,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:59:18,647 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2023-11-29 01:59:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:18,649 INFO L225 Difference]: With dead ends: 315 [2023-11-29 01:59:18,649 INFO L226 Difference]: Without dead ends: 312 [2023-11-29 01:59:18,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2023-11-29 01:59:18,650 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 141 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:18,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 106 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:18,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-29 01:59:18,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 310. [2023-11-29 01:59:18,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 282 states have (on average 1.2092198581560283) internal successors, (341), 290 states have internal predecessors, (341), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 01:59:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 369 transitions. [2023-11-29 01:59:18,671 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 369 transitions. Word has length 44 [2023-11-29 01:59:18,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:18,672 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 369 transitions. [2023-11-29 01:59:18,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 01:59:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 369 transitions. [2023-11-29 01:59:18,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 01:59:18,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:18,673 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:18,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 01:59:18,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:18,874 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:18,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:18,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1256046292, now seen corresponding path program 1 times [2023-11-29 01:59:18,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:18,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50533113] [2023-11-29 01:59:18,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:18,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:18,881 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:18,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139787254] [2023-11-29 01:59:18,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:18,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:18,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:18,883 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:18,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 01:59:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:18,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:59:18,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:18,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:18,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50533113] [2023-11-29 01:59:18,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139787254] [2023-11-29 01:59:18,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139787254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:18,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:18,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:59:18,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188683341] [2023-11-29 01:59:18,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:18,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:59:18,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:18,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:59:18,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:18,977 INFO L87 Difference]: Start difference. First operand 310 states and 369 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:19,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:19,035 INFO L93 Difference]: Finished difference Result 316 states and 371 transitions. [2023-11-29 01:59:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:59:19,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2023-11-29 01:59:19,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:19,039 INFO L225 Difference]: With dead ends: 316 [2023-11-29 01:59:19,039 INFO L226 Difference]: Without dead ends: 315 [2023-11-29 01:59:19,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:59:19,040 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 30 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:19,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 51 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:59:19,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-11-29 01:59:19,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 310. [2023-11-29 01:59:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 282 states have (on average 1.1879432624113475) internal successors, (335), 290 states have internal predecessors, (335), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 01:59:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 363 transitions. [2023-11-29 01:59:19,061 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 363 transitions. Word has length 45 [2023-11-29 01:59:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:19,062 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 363 transitions. [2023-11-29 01:59:19,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 363 transitions. [2023-11-29 01:59:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 01:59:19,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:19,063 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:19,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 01:59:19,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:19,263 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:19,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:19,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2036070966, now seen corresponding path program 1 times [2023-11-29 01:59:19,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:19,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126764872] [2023-11-29 01:59:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:19,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:19,270 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:19,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434222569] [2023-11-29 01:59:19,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:19,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:19,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:19,272 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:19,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 01:59:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:19,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:59:19,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:19,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:19,638 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:19,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126764872] [2023-11-29 01:59:19,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:19,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434222569] [2023-11-29 01:59:19,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434222569] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:19,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:19,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 01:59:19,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303976155] [2023-11-29 01:59:19,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:19,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:59:19,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:19,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:59:19,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:59:19,641 INFO L87 Difference]: Start difference. First operand 310 states and 363 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:59:20,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:20,068 INFO L93 Difference]: Finished difference Result 343 states and 398 transitions. [2023-11-29 01:59:20,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:59:20,068 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2023-11-29 01:59:20,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:20,071 INFO L225 Difference]: With dead ends: 343 [2023-11-29 01:59:20,071 INFO L226 Difference]: Without dead ends: 342 [2023-11-29 01:59:20,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:59:20,072 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 171 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:20,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 142 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:59:20,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-11-29 01:59:20,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 309. [2023-11-29 01:59:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 282 states have (on average 1.1702127659574468) internal successors, (330), 289 states have internal predecessors, (330), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 01:59:20,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 358 transitions. [2023-11-29 01:59:20,097 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 358 transitions. Word has length 45 [2023-11-29 01:59:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:20,097 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 358 transitions. [2023-11-29 01:59:20,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:59:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 358 transitions. [2023-11-29 01:59:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 01:59:20,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:20,098 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:20,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:20,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 01:59:20,299 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:20,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:20,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1391995044, now seen corresponding path program 1 times [2023-11-29 01:59:20,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:20,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505750257] [2023-11-29 01:59:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:20,307 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:20,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77442410] [2023-11-29 01:59:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:20,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:20,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:20,309 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:20,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 01:59:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:20,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:59:20,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:59:20,398 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:59:20,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:20,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505750257] [2023-11-29 01:59:20,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:20,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77442410] [2023-11-29 01:59:20,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77442410] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:20,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:20,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 01:59:20,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774776319] [2023-11-29 01:59:20,451 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:20,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:59:20,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:20,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:59:20,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:59:20,452 INFO L87 Difference]: Start difference. First operand 309 states and 358 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:59:20,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:20,565 INFO L93 Difference]: Finished difference Result 495 states and 576 transitions. [2023-11-29 01:59:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:59:20,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 53 [2023-11-29 01:59:20,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:20,569 INFO L225 Difference]: With dead ends: 495 [2023-11-29 01:59:20,569 INFO L226 Difference]: Without dead ends: 493 [2023-11-29 01:59:20,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:59:20,570 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 77 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:20,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 132 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:20,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2023-11-29 01:59:20,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 432. [2023-11-29 01:59:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 399 states have (on average 1.1729323308270676) internal successors, (468), 405 states have internal predecessors, (468), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:59:20,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 510 transitions. [2023-11-29 01:59:20,606 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 510 transitions. Word has length 53 [2023-11-29 01:59:20,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:20,606 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 510 transitions. [2023-11-29 01:59:20,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:59:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 510 transitions. [2023-11-29 01:59:20,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 01:59:20,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:20,607 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:20,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 01:59:20,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 01:59:20,808 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:20,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:20,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1171212027, now seen corresponding path program 1 times [2023-11-29 01:59:20,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:20,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025676603] [2023-11-29 01:59:20,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:20,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:20,816 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:20,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178631702] [2023-11-29 01:59:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:20,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:20,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:20,817 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:20,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 01:59:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:20,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:59:20,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:20,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:59:21,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:21,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025676603] [2023-11-29 01:59:21,021 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:21,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178631702] [2023-11-29 01:59:21,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178631702] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:21,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:21,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-11-29 01:59:21,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876034126] [2023-11-29 01:59:21,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:21,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 01:59:21,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:21,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 01:59:21,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:59:21,024 INFO L87 Difference]: Start difference. First operand 432 states and 510 transitions. Second operand has 14 states, 14 states have (on average 7.214285714285714) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-29 01:59:21,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:21,209 INFO L93 Difference]: Finished difference Result 764 states and 911 transitions. [2023-11-29 01:59:21,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 01:59:21,209 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.214285714285714) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 64 [2023-11-29 01:59:21,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:21,214 INFO L225 Difference]: With dead ends: 764 [2023-11-29 01:59:21,214 INFO L226 Difference]: Without dead ends: 753 [2023-11-29 01:59:21,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2023-11-29 01:59:21,215 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 124 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:21,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 301 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:21,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2023-11-29 01:59:21,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 736. [2023-11-29 01:59:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 688 states have (on average 1.1438953488372092) internal successors, (787), 694 states have internal predecessors, (787), 34 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 01:59:21,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 855 transitions. [2023-11-29 01:59:21,269 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 855 transitions. Word has length 64 [2023-11-29 01:59:21,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:21,269 INFO L495 AbstractCegarLoop]: Abstraction has 736 states and 855 transitions. [2023-11-29 01:59:21,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.214285714285714) internal successors, (101), 14 states have internal predecessors, (101), 6 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2023-11-29 01:59:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 855 transitions. [2023-11-29 01:59:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 01:59:21,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:21,271 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:21,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 01:59:21,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:21,471 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:21,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:21,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1171212445, now seen corresponding path program 2 times [2023-11-29 01:59:21,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:21,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444026793] [2023-11-29 01:59:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:21,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:21,477 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:21,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [913634354] [2023-11-29 01:59:21,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:59:21,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:21,478 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:21,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 01:59:21,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:59:21,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:21,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:59:21,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 01:59:21,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:21,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:21,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444026793] [2023-11-29 01:59:21,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:21,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913634354] [2023-11-29 01:59:21,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913634354] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:59:21,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:59:21,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 01:59:21,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179637172] [2023-11-29 01:59:21,751 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:21,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:59:21,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:21,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:59:21,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:59:21,753 INFO L87 Difference]: Start difference. First operand 736 states and 855 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:59:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:21,915 INFO L93 Difference]: Finished difference Result 957 states and 1119 transitions. [2023-11-29 01:59:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:59:21,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 64 [2023-11-29 01:59:21,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:21,921 INFO L225 Difference]: With dead ends: 957 [2023-11-29 01:59:21,921 INFO L226 Difference]: Without dead ends: 952 [2023-11-29 01:59:21,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:59:21,922 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 41 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:21,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 194 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:21,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2023-11-29 01:59:21,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 660. [2023-11-29 01:59:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 615 states have (on average 1.1414634146341462) internal successors, (702), 621 states have internal predecessors, (702), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 01:59:21,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 764 transitions. [2023-11-29 01:59:21,973 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 764 transitions. Word has length 64 [2023-11-29 01:59:21,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:21,973 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 764 transitions. [2023-11-29 01:59:21,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 01:59:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 764 transitions. [2023-11-29 01:59:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 01:59:21,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:21,974 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:21,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 01:59:22,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:22,177 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:22,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:22,178 INFO L85 PathProgramCache]: Analyzing trace with hash 35995903, now seen corresponding path program 2 times [2023-11-29 01:59:22,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:22,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045034695] [2023-11-29 01:59:22,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:22,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:22,185 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:22,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623769414] [2023-11-29 01:59:22,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:59:22,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:22,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:22,187 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:22,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 01:59:22,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:59:22,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:22,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 01:59:22,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:22,347 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 01:59:22,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:22,521 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 01:59:22,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:22,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045034695] [2023-11-29 01:59:22,522 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:22,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623769414] [2023-11-29 01:59:22,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623769414] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:22,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:22,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-29 01:59:22,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141590113] [2023-11-29 01:59:22,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:22,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 01:59:22,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:22,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 01:59:22,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:59:22,524 INFO L87 Difference]: Start difference. First operand 660 states and 764 transitions. Second operand has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:59:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:22,908 INFO L93 Difference]: Finished difference Result 690 states and 793 transitions. [2023-11-29 01:59:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 01:59:22,909 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 66 [2023-11-29 01:59:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:22,913 INFO L225 Difference]: With dead ends: 690 [2023-11-29 01:59:22,913 INFO L226 Difference]: Without dead ends: 689 [2023-11-29 01:59:22,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:59:22,914 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 101 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:22,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 141 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:59:22,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2023-11-29 01:59:22,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 673. [2023-11-29 01:59:22,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 628 states have (on average 1.1321656050955413) internal successors, (711), 634 states have internal predecessors, (711), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-29 01:59:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 773 transitions. [2023-11-29 01:59:22,980 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 773 transitions. Word has length 66 [2023-11-29 01:59:22,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:22,980 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 773 transitions. [2023-11-29 01:59:22,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.5) internal successors, (102), 13 states have internal predecessors, (102), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:59:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 773 transitions. [2023-11-29 01:59:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 01:59:22,982 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:22,982 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:22,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:23,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:23,182 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:23,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:23,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1907061328, now seen corresponding path program 1 times [2023-11-29 01:59:23,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:23,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482915424] [2023-11-29 01:59:23,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:23,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:23,189 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:23,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2100952827] [2023-11-29 01:59:23,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:23,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:23,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:23,190 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:23,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 01:59:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:23,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:59:23,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 37 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 01:59:23,334 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 37 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-29 01:59:23,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:23,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482915424] [2023-11-29 01:59:23,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:23,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100952827] [2023-11-29 01:59:23,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100952827] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:23,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:23,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2023-11-29 01:59:23,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620493087] [2023-11-29 01:59:23,411 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:23,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:59:23,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:23,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:59:23,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:59:23,412 INFO L87 Difference]: Start difference. First operand 673 states and 773 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:59:23,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:23,577 INFO L93 Difference]: Finished difference Result 1125 states and 1305 transitions. [2023-11-29 01:59:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:59:23,578 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 87 [2023-11-29 01:59:23,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:23,582 INFO L225 Difference]: With dead ends: 1125 [2023-11-29 01:59:23,582 INFO L226 Difference]: Without dead ends: 919 [2023-11-29 01:59:23,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 164 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:59:23,584 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 87 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:23,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 196 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:23,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2023-11-29 01:59:23,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 736. [2023-11-29 01:59:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 688 states have (on average 1.125) internal successors, (774), 694 states have internal predecessors, (774), 34 states have call successors, (34), 7 states have call predecessors, (34), 7 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 01:59:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 842 transitions. [2023-11-29 01:59:23,634 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 842 transitions. Word has length 87 [2023-11-29 01:59:23,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:23,634 INFO L495 AbstractCegarLoop]: Abstraction has 736 states and 842 transitions. [2023-11-29 01:59:23,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-29 01:59:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 842 transitions. [2023-11-29 01:59:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 01:59:23,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:23,636 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:23,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 01:59:23,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:23,836 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:23,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:23,837 INFO L85 PathProgramCache]: Analyzing trace with hash -473710298, now seen corresponding path program 3 times [2023-11-29 01:59:23,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:23,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13494309] [2023-11-29 01:59:23,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:23,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:23,844 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:23,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770954930] [2023-11-29 01:59:23,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:59:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:23,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:23,845 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 01:59:23,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-29 01:59:23,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:23,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:59:23,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 50 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-29 01:59:23,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:25,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13494309] [2023-11-29 01:59:25,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770954930] [2023-11-29 01:59:25,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770954930] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:59:25,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:59:25,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-29 01:59:25,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017035453] [2023-11-29 01:59:25,014 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:25,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:59:25,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:25,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:59:25,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:59:25,015 INFO L87 Difference]: Start difference. First operand 736 states and 842 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:59:25,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:25,105 INFO L93 Difference]: Finished difference Result 1146 states and 1311 transitions. [2023-11-29 01:59:25,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:59:25,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2023-11-29 01:59:25,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:25,109 INFO L225 Difference]: With dead ends: 1146 [2023-11-29 01:59:25,109 INFO L226 Difference]: Without dead ends: 649 [2023-11-29 01:59:25,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:59:25,110 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 39 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:25,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 108 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:59:25,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2023-11-29 01:59:25,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 641. [2023-11-29 01:59:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 597 states have (on average 1.1139028475711892) internal successors, (665), 603 states have internal predecessors, (665), 30 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:59:25,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 725 transitions. [2023-11-29 01:59:25,160 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 725 transitions. Word has length 87 [2023-11-29 01:59:25,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:25,161 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 725 transitions. [2023-11-29 01:59:25,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 01:59:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 725 transitions. [2023-11-29 01:59:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 01:59:25,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:25,180 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:25,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 01:59:25,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-29 01:59:25,381 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:25,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:25,381 INFO L85 PathProgramCache]: Analyzing trace with hash 267410460, now seen corresponding path program 1 times [2023-11-29 01:59:25,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:25,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370654664] [2023-11-29 01:59:25,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:25,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:25,387 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:25,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087993892] [2023-11-29 01:59:25,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:25,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:25,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:25,388 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:25,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 01:59:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:25,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 01:59:25,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:25,554 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 01:59:25,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-29 01:59:25,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:25,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370654664] [2023-11-29 01:59:25,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:25,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087993892] [2023-11-29 01:59:25,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087993892] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:25,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:25,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-29 01:59:25,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464410840] [2023-11-29 01:59:25,754 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:25,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 01:59:25,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:25,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 01:59:25,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:59:25,756 INFO L87 Difference]: Start difference. First operand 641 states and 725 transitions. Second operand has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2023-11-29 01:59:26,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:26,272 INFO L93 Difference]: Finished difference Result 849 states and 966 transitions. [2023-11-29 01:59:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 01:59:26,273 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 89 [2023-11-29 01:59:26,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:26,276 INFO L225 Difference]: With dead ends: 849 [2023-11-29 01:59:26,276 INFO L226 Difference]: Without dead ends: 843 [2023-11-29 01:59:26,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2023-11-29 01:59:26,277 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 193 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:26,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 172 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:59:26,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2023-11-29 01:59:26,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 799. [2023-11-29 01:59:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 748 states have (on average 1.1136363636363635) internal successors, (833), 754 states have internal predecessors, (833), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-29 01:59:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 907 transitions. [2023-11-29 01:59:26,317 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 907 transitions. Word has length 89 [2023-11-29 01:59:26,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:26,317 INFO L495 AbstractCegarLoop]: Abstraction has 799 states and 907 transitions. [2023-11-29 01:59:26,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2023-11-29 01:59:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 907 transitions. [2023-11-29 01:59:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 01:59:26,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:26,319 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:26,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:26,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 01:59:26,520 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:26,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:26,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1669053778, now seen corresponding path program 1 times [2023-11-29 01:59:26,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:26,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071659382] [2023-11-29 01:59:26,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:26,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:26,528 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:26,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1082129664] [2023-11-29 01:59:26,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:26,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:26,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:26,529 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:26,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 01:59:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:26,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:59:26,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 01:59:26,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 01:59:26,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:26,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071659382] [2023-11-29 01:59:26,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:26,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082129664] [2023-11-29 01:59:26,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082129664] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:26,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:26,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 01:59:26,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624094365] [2023-11-29 01:59:26,754 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:26,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:59:26,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:26,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:59:26,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:59:26,756 INFO L87 Difference]: Start difference. First operand 799 states and 907 transitions. Second operand has 10 states, 9 states have (on average 16.555555555555557) internal successors, (149), 10 states have internal predecessors, (149), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2023-11-29 01:59:27,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:27,270 INFO L93 Difference]: Finished difference Result 1502 states and 1777 transitions. [2023-11-29 01:59:27,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:59:27,270 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.555555555555557) internal successors, (149), 10 states have internal predecessors, (149), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 102 [2023-11-29 01:59:27,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:27,276 INFO L225 Difference]: With dead ends: 1502 [2023-11-29 01:59:27,276 INFO L226 Difference]: Without dead ends: 1501 [2023-11-29 01:59:27,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:59:27,277 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 169 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:27,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 247 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 01:59:27,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2023-11-29 01:59:27,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1415. [2023-11-29 01:59:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 1331 states have (on average 1.1855747558226897) internal successors, (1578), 1337 states have internal predecessors, (1578), 70 states have call successors, (70), 7 states have call predecessors, (70), 7 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 01:59:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1718 transitions. [2023-11-29 01:59:27,391 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 1718 transitions. Word has length 102 [2023-11-29 01:59:27,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:27,391 INFO L495 AbstractCegarLoop]: Abstraction has 1415 states and 1718 transitions. [2023-11-29 01:59:27,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.555555555555557) internal successors, (149), 10 states have internal predecessors, (149), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2023-11-29 01:59:27,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1718 transitions. [2023-11-29 01:59:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 01:59:27,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:27,393 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:27,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 01:59:27,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 01:59:27,594 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:27,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:27,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1822588265, now seen corresponding path program 2 times [2023-11-29 01:59:27,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:27,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974500970] [2023-11-29 01:59:27,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:27,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:27,603 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:27,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1927012094] [2023-11-29 01:59:27,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:59:27,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:27,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:27,605 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:27,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-29 01:59:27,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:59:27,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:27,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:59:27,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-29 01:59:27,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-29 01:59:28,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:28,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974500970] [2023-11-29 01:59:28,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:28,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927012094] [2023-11-29 01:59:28,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927012094] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:28,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:28,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 01:59:28,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628302760] [2023-11-29 01:59:28,124 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:28,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:59:28,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:28,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:59:28,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:59:28,125 INFO L87 Difference]: Start difference. First operand 1415 states and 1718 transitions. Second operand has 12 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2023-11-29 01:59:29,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:29,473 INFO L93 Difference]: Finished difference Result 1880 states and 2286 transitions. [2023-11-29 01:59:29,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 01:59:29,473 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 110 [2023-11-29 01:59:29,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:29,480 INFO L225 Difference]: With dead ends: 1880 [2023-11-29 01:59:29,480 INFO L226 Difference]: Without dead ends: 1856 [2023-11-29 01:59:29,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2023-11-29 01:59:29,481 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 377 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:29,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 411 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 01:59:29,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1856 states. [2023-11-29 01:59:29,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1856 to 1785. [2023-11-29 01:59:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1682 states have (on average 1.1468489892984541) internal successors, (1929), 1688 states have internal predecessors, (1929), 89 states have call successors, (89), 7 states have call predecessors, (89), 7 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-29 01:59:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2107 transitions. [2023-11-29 01:59:29,639 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2107 transitions. Word has length 110 [2023-11-29 01:59:29,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:29,639 INFO L495 AbstractCegarLoop]: Abstraction has 1785 states and 2107 transitions. [2023-11-29 01:59:29,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.636363636363637) internal successors, (139), 12 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2023-11-29 01:59:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2107 transitions. [2023-11-29 01:59:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-29 01:59:29,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:29,641 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:29,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-29 01:59:29,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-29 01:59:29,842 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:29,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:29,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1902664721, now seen corresponding path program 2 times [2023-11-29 01:59:29,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:29,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048452457] [2023-11-29 01:59:29,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:29,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:29,852 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:29,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667106102] [2023-11-29 01:59:29,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:59:29,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:29,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:29,854 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:29,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-29 01:59:29,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:59:29,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:29,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:59:29,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-29 01:59:29,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-29 01:59:30,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:30,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048452457] [2023-11-29 01:59:30,116 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:30,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667106102] [2023-11-29 01:59:30,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667106102] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:30,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:30,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 01:59:30,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572343951] [2023-11-29 01:59:30,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:30,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:59:30,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:30,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:59:30,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:59:30,118 INFO L87 Difference]: Start difference. First operand 1785 states and 2107 transitions. Second operand has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2023-11-29 01:59:30,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:30,442 INFO L93 Difference]: Finished difference Result 3603 states and 4379 transitions. [2023-11-29 01:59:30,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:59:30,443 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 122 [2023-11-29 01:59:30,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:30,455 INFO L225 Difference]: With dead ends: 3603 [2023-11-29 01:59:30,455 INFO L226 Difference]: Without dead ends: 3602 [2023-11-29 01:59:30,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:59:30,456 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 198 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:30,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 220 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:30,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2023-11-29 01:59:30,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 3317. [2023-11-29 01:59:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3317 states, 3132 states have (on average 1.1803959131545338) internal successors, (3697), 3138 states have internal predecessors, (3697), 171 states have call successors, (171), 7 states have call predecessors, (171), 7 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) [2023-11-29 01:59:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 3317 states and 4039 transitions. [2023-11-29 01:59:30,728 INFO L78 Accepts]: Start accepts. Automaton has 3317 states and 4039 transitions. Word has length 122 [2023-11-29 01:59:30,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:30,728 INFO L495 AbstractCegarLoop]: Abstraction has 3317 states and 4039 transitions. [2023-11-29 01:59:30,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 16.272727272727273) internal successors, (179), 12 states have internal predecessors, (179), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2023-11-29 01:59:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3317 states and 4039 transitions. [2023-11-29 01:59:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-29 01:59:30,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:30,732 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:30,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:30,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 01:59:30,932 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:30,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:30,932 INFO L85 PathProgramCache]: Analyzing trace with hash 2035791862, now seen corresponding path program 2 times [2023-11-29 01:59:30,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:30,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125371835] [2023-11-29 01:59:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:30,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:30,940 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:30,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534357603] [2023-11-29 01:59:30,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:59:30,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:30,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:30,941 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:30,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-29 01:59:30,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:59:30,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:30,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 01:59:30,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 363 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:31,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 303 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-29 01:59:31,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:31,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125371835] [2023-11-29 01:59:31,446 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:31,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534357603] [2023-11-29 01:59:31,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534357603] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:31,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:31,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 29 [2023-11-29 01:59:31,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549680708] [2023-11-29 01:59:31,447 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:31,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-29 01:59:31,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:31,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 01:59:31,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2023-11-29 01:59:31,449 INFO L87 Difference]: Start difference. First operand 3317 states and 4039 transitions. Second operand has 30 states, 29 states have (on average 8.724137931034482) internal successors, (253), 30 states have internal predecessors, (253), 14 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) [2023-11-29 01:59:32,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:32,297 INFO L93 Difference]: Finished difference Result 7895 states and 9563 transitions. [2023-11-29 01:59:32,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-11-29 01:59:32,298 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.724137931034482) internal successors, (253), 30 states have internal predecessors, (253), 14 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) Word has length 153 [2023-11-29 01:59:32,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:32,325 INFO L225 Difference]: With dead ends: 7895 [2023-11-29 01:59:32,326 INFO L226 Difference]: Without dead ends: 7894 [2023-11-29 01:59:32,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1049, Invalid=2143, Unknown=0, NotChecked=0, Total=3192 [2023-11-29 01:59:32,329 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 453 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:32,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 694 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:32,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7894 states. [2023-11-29 01:59:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7894 to 7826. [2023-11-29 01:59:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7826 states, 7423 states have (on average 1.139970362387175) internal successors, (8462), 7429 states have internal predecessors, (8462), 381 states have call successors, (381), 15 states have call predecessors, (381), 15 states have return successors, (381), 381 states have call predecessors, (381), 381 states have call successors, (381) [2023-11-29 01:59:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 9224 transitions. [2023-11-29 01:59:32,835 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 9224 transitions. Word has length 153 [2023-11-29 01:59:32,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:32,836 INFO L495 AbstractCegarLoop]: Abstraction has 7826 states and 9224 transitions. [2023-11-29 01:59:32,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.724137931034482) internal successors, (253), 30 states have internal predecessors, (253), 14 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) [2023-11-29 01:59:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 9224 transitions. [2023-11-29 01:59:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 01:59:32,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:32,839 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:32,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-11-29 01:59:33,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 01:59:33,039 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:33,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:33,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1757446394, now seen corresponding path program 1 times [2023-11-29 01:59:33,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:33,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735159040] [2023-11-29 01:59:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:33,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:33,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:33,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749067936] [2023-11-29 01:59:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:33,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:33,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:33,050 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:33,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-29 01:59:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:33,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 01:59:33,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 206 proven. 181 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-29 01:59:33,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 206 proven. 181 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-29 01:59:33,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:33,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735159040] [2023-11-29 01:59:33,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:33,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749067936] [2023-11-29 01:59:33,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749067936] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:33,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:33,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2023-11-29 01:59:33,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162238690] [2023-11-29 01:59:33,484 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:33,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 01:59:33,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:33,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 01:59:33,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:59:33,486 INFO L87 Difference]: Start difference. First operand 7826 states and 9224 transitions. Second operand has 15 states, 15 states have (on average 14.266666666666667) internal successors, (214), 15 states have internal predecessors, (214), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2023-11-29 01:59:34,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:34,936 INFO L93 Difference]: Finished difference Result 14578 states and 17404 transitions. [2023-11-29 01:59:34,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 01:59:34,936 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 14.266666666666667) internal successors, (214), 15 states have internal predecessors, (214), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 179 [2023-11-29 01:59:34,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:34,969 INFO L225 Difference]: With dead ends: 14578 [2023-11-29 01:59:34,970 INFO L226 Difference]: Without dead ends: 10440 [2023-11-29 01:59:34,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 340 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=172, Invalid=428, Unknown=0, NotChecked=0, Total=600 [2023-11-29 01:59:34,975 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 374 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:34,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 766 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:59:34,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10440 states. [2023-11-29 01:59:35,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10440 to 8187. [2023-11-29 01:59:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8187 states, 7762 states have (on average 1.1296057717083225) internal successors, (8768), 7768 states have internal predecessors, (8768), 403 states have call successors, (403), 15 states have call predecessors, (403), 15 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2023-11-29 01:59:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8187 states to 8187 states and 9574 transitions. [2023-11-29 01:59:35,465 INFO L78 Accepts]: Start accepts. Automaton has 8187 states and 9574 transitions. Word has length 179 [2023-11-29 01:59:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:35,466 INFO L495 AbstractCegarLoop]: Abstraction has 8187 states and 9574 transitions. [2023-11-29 01:59:35,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 14.266666666666667) internal successors, (214), 15 states have internal predecessors, (214), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2023-11-29 01:59:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 8187 states and 9574 transitions. [2023-11-29 01:59:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 01:59:35,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:35,469 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:35,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:35,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 01:59:35,669 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:35,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1220312272, now seen corresponding path program 1 times [2023-11-29 01:59:35,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:35,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357237854] [2023-11-29 01:59:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:35,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:35,678 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:35,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [960289645] [2023-11-29 01:59:35,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:35,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:35,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:35,680 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:35,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-29 01:59:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:59:35,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 01:59:35,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 01:59:35,985 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 0 proven. 427 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-29 01:59:36,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357237854] [2023-11-29 01:59:36,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:36,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960289645] [2023-11-29 01:59:36,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960289645] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:36,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:36,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 22 [2023-11-29 01:59:36,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953189675] [2023-11-29 01:59:36,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:36,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 01:59:36,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:36,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 01:59:36,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2023-11-29 01:59:36,283 INFO L87 Difference]: Start difference. First operand 8187 states and 9574 transitions. Second operand has 22 states, 22 states have (on average 9.363636363636363) internal successors, (206), 22 states have internal predecessors, (206), 10 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2023-11-29 01:59:36,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:36,955 INFO L93 Difference]: Finished difference Result 8198 states and 9580 transitions. [2023-11-29 01:59:36,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 01:59:36,955 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.363636363636363) internal successors, (206), 22 states have internal predecessors, (206), 10 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) Word has length 181 [2023-11-29 01:59:36,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:36,966 INFO L225 Difference]: With dead ends: 8198 [2023-11-29 01:59:36,966 INFO L226 Difference]: Without dead ends: 8190 [2023-11-29 01:59:36,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 328 SyntacticMatches, 12 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2023-11-29 01:59:36,968 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 161 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:36,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 385 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:36,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8190 states. [2023-11-29 01:59:37,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8190 to 8187. [2023-11-29 01:59:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8187 states, 7762 states have (on average 1.1238082968307137) internal successors, (8723), 7768 states have internal predecessors, (8723), 403 states have call successors, (403), 15 states have call predecessors, (403), 15 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2023-11-29 01:59:37,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8187 states to 8187 states and 9529 transitions. [2023-11-29 01:59:37,482 INFO L78 Accepts]: Start accepts. Automaton has 8187 states and 9529 transitions. Word has length 181 [2023-11-29 01:59:37,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:37,482 INFO L495 AbstractCegarLoop]: Abstraction has 8187 states and 9529 transitions. [2023-11-29 01:59:37,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.363636363636363) internal successors, (206), 22 states have internal predecessors, (206), 10 states have call successors, (18), 9 states have call predecessors, (18), 9 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2023-11-29 01:59:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 8187 states and 9529 transitions. [2023-11-29 01:59:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 01:59:37,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:37,485 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:37,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-11-29 01:59:37,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:37,686 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:37,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:37,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1220712466, now seen corresponding path program 3 times [2023-11-29 01:59:37,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:37,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336986275] [2023-11-29 01:59:37,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:37,698 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:37,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1880574472] [2023-11-29 01:59:37,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:59:37,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:37,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:37,699 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:37,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-29 01:59:37,751 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 01:59:37,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:37,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 01:59:37,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:38,730 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-11-29 01:59:38,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:59:38,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:38,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336986275] [2023-11-29 01:59:38,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:38,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880574472] [2023-11-29 01:59:38,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880574472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:59:38,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:59:38,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 01:59:38,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304350601] [2023-11-29 01:59:38,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:59:38,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:59:38,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:38,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:59:38,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:59:38,732 INFO L87 Difference]: Start difference. First operand 8187 states and 9529 transitions. Second operand has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:39,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:39,208 INFO L93 Difference]: Finished difference Result 8195 states and 9533 transitions. [2023-11-29 01:59:39,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:59:39,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 181 [2023-11-29 01:59:39,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:39,221 INFO L225 Difference]: With dead ends: 8195 [2023-11-29 01:59:39,221 INFO L226 Difference]: Without dead ends: 8189 [2023-11-29 01:59:39,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:59:39,223 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 70 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:39,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 113 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:59:39,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8189 states. [2023-11-29 01:59:39,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8189 to 8187. [2023-11-29 01:59:39,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8187 states, 7762 states have (on average 1.122391136305076) internal successors, (8712), 7768 states have internal predecessors, (8712), 403 states have call successors, (403), 15 states have call predecessors, (403), 15 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2023-11-29 01:59:39,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8187 states to 8187 states and 9518 transitions. [2023-11-29 01:59:39,699 INFO L78 Accepts]: Start accepts. Automaton has 8187 states and 9518 transitions. Word has length 181 [2023-11-29 01:59:39,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:39,700 INFO L495 AbstractCegarLoop]: Abstraction has 8187 states and 9518 transitions. [2023-11-29 01:59:39,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:59:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 8187 states and 9518 transitions. [2023-11-29 01:59:39,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 01:59:39,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:39,703 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:39,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-11-29 01:59:39,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-11-29 01:59:39,904 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:39,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:39,904 INFO L85 PathProgramCache]: Analyzing trace with hash 440755932, now seen corresponding path program 2 times [2023-11-29 01:59:39,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:39,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379662208] [2023-11-29 01:59:39,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:39,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:39,915 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:39,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744781712] [2023-11-29 01:59:39,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:59:39,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:39,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:39,917 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:39,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-29 01:59:39,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:59:39,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:39,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 01:59:39,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-29 01:59:40,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-29 01:59:40,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:40,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379662208] [2023-11-29 01:59:40,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:40,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744781712] [2023-11-29 01:59:40,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744781712] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:40,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:40,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2023-11-29 01:59:40,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832875491] [2023-11-29 01:59:40,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:40,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 01:59:40,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:40,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 01:59:40,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2023-11-29 01:59:40,590 INFO L87 Difference]: Start difference. First operand 8187 states and 9518 transitions. Second operand has 23 states, 22 states have (on average 12.818181818181818) internal successors, (282), 23 states have internal predecessors, (282), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-29 01:59:42,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:42,080 INFO L93 Difference]: Finished difference Result 9780 states and 11472 transitions. [2023-11-29 01:59:42,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-29 01:59:42,081 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 12.818181818181818) internal successors, (282), 23 states have internal predecessors, (282), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 181 [2023-11-29 01:59:42,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:42,094 INFO L225 Difference]: With dead ends: 9780 [2023-11-29 01:59:42,094 INFO L226 Difference]: Without dead ends: 9758 [2023-11-29 01:59:42,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1051, Invalid=2371, Unknown=0, NotChecked=0, Total=3422 [2023-11-29 01:59:42,097 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 390 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:42,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 307 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 01:59:42,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9758 states. [2023-11-29 01:59:42,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9758 to 9618. [2023-11-29 01:59:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9618 states, 9134 states have (on average 1.0870374425224436) internal successors, (9929), 9140 states have internal predecessors, (9929), 462 states have call successors, (462), 15 states have call predecessors, (462), 15 states have return successors, (462), 462 states have call predecessors, (462), 462 states have call successors, (462) [2023-11-29 01:59:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9618 states to 9618 states and 10853 transitions. [2023-11-29 01:59:42,620 INFO L78 Accepts]: Start accepts. Automaton has 9618 states and 10853 transitions. Word has length 181 [2023-11-29 01:59:42,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:42,621 INFO L495 AbstractCegarLoop]: Abstraction has 9618 states and 10853 transitions. [2023-11-29 01:59:42,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 12.818181818181818) internal successors, (282), 23 states have internal predecessors, (282), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-29 01:59:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 9618 states and 10853 transitions. [2023-11-29 01:59:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 01:59:42,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:42,625 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:42,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-11-29 01:59:42,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-11-29 01:59:42,825 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:42,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:42,826 INFO L85 PathProgramCache]: Analyzing trace with hash -773358757, now seen corresponding path program 2 times [2023-11-29 01:59:42,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:42,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714433995] [2023-11-29 01:59:42,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:42,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:42,836 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:42,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534117927] [2023-11-29 01:59:42,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:59:42,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:42,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:42,837 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:42,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-11-29 01:59:42,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:59:42,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:42,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 01:59:42,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 01:59:43,112 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 01:59:43,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:43,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714433995] [2023-11-29 01:59:43,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:43,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534117927] [2023-11-29 01:59:43,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534117927] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:43,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:43,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2023-11-29 01:59:43,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951154429] [2023-11-29 01:59:43,342 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:43,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 01:59:43,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:43,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 01:59:43,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:59:43,344 INFO L87 Difference]: Start difference. First operand 9618 states and 10853 transitions. Second operand has 20 states, 19 states have (on average 17.31578947368421) internal successors, (329), 20 states have internal predecessors, (329), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2023-11-29 01:59:45,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:45,160 INFO L93 Difference]: Finished difference Result 13131 states and 15087 transitions. [2023-11-29 01:59:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 01:59:45,160 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 17.31578947368421) internal successors, (329), 20 states have internal predecessors, (329), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) Word has length 217 [2023-11-29 01:59:45,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:45,185 INFO L225 Difference]: With dead ends: 13131 [2023-11-29 01:59:45,185 INFO L226 Difference]: Without dead ends: 13130 [2023-11-29 01:59:45,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:59:45,190 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 641 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:45,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 410 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 01:59:45,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13130 states. [2023-11-29 01:59:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13130 to 12928. [2023-11-29 01:59:46,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12928 states, 12269 states have (on average 1.1144347542587008) internal successors, (13673), 12275 states have internal predecessors, (13673), 637 states have call successors, (637), 15 states have call predecessors, (637), 15 states have return successors, (637), 637 states have call predecessors, (637), 637 states have call successors, (637) [2023-11-29 01:59:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12928 states to 12928 states and 14947 transitions. [2023-11-29 01:59:46,181 INFO L78 Accepts]: Start accepts. Automaton has 12928 states and 14947 transitions. Word has length 217 [2023-11-29 01:59:46,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:46,182 INFO L495 AbstractCegarLoop]: Abstraction has 12928 states and 14947 transitions. [2023-11-29 01:59:46,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 17.31578947368421) internal successors, (329), 20 states have internal predecessors, (329), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2023-11-29 01:59:46,182 INFO L276 IsEmpty]: Start isEmpty. Operand 12928 states and 14947 transitions. [2023-11-29 01:59:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-11-29 01:59:46,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:46,186 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:46,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:46,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2023-11-29 01:59:46,387 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:46,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:46,387 INFO L85 PathProgramCache]: Analyzing trace with hash 697380550, now seen corresponding path program 3 times [2023-11-29 01:59:46,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:46,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906803070] [2023-11-29 01:59:46,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:46,396 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:46,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696714129] [2023-11-29 01:59:46,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:59:46,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:46,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:46,397 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:46,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-11-29 01:59:46,568 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-29 01:59:46,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:46,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 01:59:46,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 346 proven. 69 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-29 01:59:46,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:46,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:46,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906803070] [2023-11-29 01:59:46,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:46,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696714129] [2023-11-29 01:59:46,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696714129] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:59:46,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:59:46,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-29 01:59:46,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136526325] [2023-11-29 01:59:46,850 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:46,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:59:46,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:46,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:59:46,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:59:46,851 INFO L87 Difference]: Start difference. First operand 12928 states and 14947 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 01:59:47,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:47,733 INFO L93 Difference]: Finished difference Result 20641 states and 24210 transitions. [2023-11-29 01:59:47,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:59:47,734 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 225 [2023-11-29 01:59:47,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:47,750 INFO L225 Difference]: With dead ends: 20641 [2023-11-29 01:59:47,750 INFO L226 Difference]: Without dead ends: 13120 [2023-11-29 01:59:47,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:59:47,759 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 91 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:47,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 417 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:59:47,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13120 states. [2023-11-29 01:59:48,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13120 to 11687. [2023-11-29 01:59:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11687 states, 11084 states have (on average 1.120263442800433) internal successors, (12417), 11090 states have internal predecessors, (12417), 581 states have call successors, (581), 15 states have call predecessors, (581), 15 states have return successors, (581), 581 states have call predecessors, (581), 581 states have call successors, (581) [2023-11-29 01:59:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11687 states to 11687 states and 13579 transitions. [2023-11-29 01:59:48,443 INFO L78 Accepts]: Start accepts. Automaton has 11687 states and 13579 transitions. Word has length 225 [2023-11-29 01:59:48,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:48,444 INFO L495 AbstractCegarLoop]: Abstraction has 11687 states and 13579 transitions. [2023-11-29 01:59:48,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-29 01:59:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 11687 states and 13579 transitions. [2023-11-29 01:59:48,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-29 01:59:48,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:48,449 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:48,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:48,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:48,649 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:48,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:48,649 INFO L85 PathProgramCache]: Analyzing trace with hash 992403067, now seen corresponding path program 2 times [2023-11-29 01:59:48,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:48,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920088025] [2023-11-29 01:59:48,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:48,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:48,659 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:48,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582079988] [2023-11-29 01:59:48,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:59:48,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:48,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:48,660 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:48,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-11-29 01:59:48,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:59:48,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:48,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 01:59:48,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 657 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-29 01:59:49,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 657 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-29 01:59:49,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:49,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920088025] [2023-11-29 01:59:49,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:49,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582079988] [2023-11-29 01:59:49,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582079988] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:49,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:49,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2023-11-29 01:59:49,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289537307] [2023-11-29 01:59:49,654 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:49,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-29 01:59:49,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:49,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-29 01:59:49,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-11-29 01:59:49,656 INFO L87 Difference]: Start difference. First operand 11687 states and 13579 transitions. Second operand has 18 states, 17 states have (on average 14.529411764705882) internal successors, (247), 18 states have internal predecessors, (247), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2023-11-29 01:59:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:55,008 INFO L93 Difference]: Finished difference Result 13080 states and 15202 transitions. [2023-11-29 01:59:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-29 01:59:55,009 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 14.529411764705882) internal successors, (247), 18 states have internal predecessors, (247), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 248 [2023-11-29 01:59:55,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:55,028 INFO L225 Difference]: With dead ends: 13080 [2023-11-29 01:59:55,028 INFO L226 Difference]: Without dead ends: 13052 [2023-11-29 01:59:55,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=669, Invalid=1781, Unknown=0, NotChecked=0, Total=2450 [2023-11-29 01:59:55,032 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 608 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:55,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 853 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 01:59:55,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13052 states. [2023-11-29 01:59:55,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13052 to 12026. [2023-11-29 01:59:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12026 states, 11403 states have (on average 1.120319214241866) internal successors, (12775), 11409 states have internal predecessors, (12775), 601 states have call successors, (601), 15 states have call predecessors, (601), 15 states have return successors, (601), 601 states have call predecessors, (601), 601 states have call successors, (601) [2023-11-29 01:59:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12026 states to 12026 states and 13977 transitions. [2023-11-29 01:59:55,706 INFO L78 Accepts]: Start accepts. Automaton has 12026 states and 13977 transitions. Word has length 248 [2023-11-29 01:59:55,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:55,707 INFO L495 AbstractCegarLoop]: Abstraction has 12026 states and 13977 transitions. [2023-11-29 01:59:55,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 14.529411764705882) internal successors, (247), 18 states have internal predecessors, (247), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2023-11-29 01:59:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 12026 states and 13977 transitions. [2023-11-29 01:59:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-29 01:59:55,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:55,712 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:55,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-11-29 01:59:55,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:55,914 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:55,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:55,914 INFO L85 PathProgramCache]: Analyzing trace with hash -70390799, now seen corresponding path program 3 times [2023-11-29 01:59:55,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:55,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377979401] [2023-11-29 01:59:55,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:55,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:55,923 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:55,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26998862] [2023-11-29 01:59:55,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:59:55,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:55,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:55,925 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:55,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-11-29 01:59:56,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-29 01:59:56,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:56,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 01:59:56,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 0 proven. 995 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-29 01:59:56,271 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 0 proven. 995 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-29 01:59:56,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:56,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377979401] [2023-11-29 01:59:56,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:56,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26998862] [2023-11-29 01:59:56,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26998862] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:59:56,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:59:56,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-11-29 01:59:56,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820144182] [2023-11-29 01:59:56,601 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:56,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 01:59:56,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:56,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 01:59:56,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-29 01:59:56,631 INFO L87 Difference]: Start difference. First operand 12026 states and 13977 transitions. Second operand has 24 states, 23 states have (on average 17.17391304347826) internal successors, (395), 24 states have internal predecessors, (395), 23 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 23 states have call predecessors, (24), 23 states have call successors, (24) [2023-11-29 01:59:57,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:59:57,956 INFO L93 Difference]: Finished difference Result 18879 states and 22580 transitions. [2023-11-29 01:59:57,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 01:59:57,957 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 17.17391304347826) internal successors, (395), 24 states have internal predecessors, (395), 23 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 23 states have call predecessors, (24), 23 states have call successors, (24) Word has length 260 [2023-11-29 01:59:57,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:59:57,972 INFO L225 Difference]: With dead ends: 18879 [2023-11-29 01:59:57,972 INFO L226 Difference]: Without dead ends: 18878 [2023-11-29 01:59:57,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-11-29 01:59:57,975 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 401 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:59:57,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 458 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:59:57,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18878 states. [2023-11-29 01:59:58,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18878 to 17838. [2023-11-29 01:59:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17838 states, 16908 states have (on average 1.1520581973030517) internal successors, (19479), 16914 states have internal predecessors, (19479), 908 states have call successors, (908), 15 states have call predecessors, (908), 15 states have return successors, (908), 908 states have call predecessors, (908), 908 states have call successors, (908) [2023-11-29 01:59:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17838 states to 17838 states and 21295 transitions. [2023-11-29 01:59:58,996 INFO L78 Accepts]: Start accepts. Automaton has 17838 states and 21295 transitions. Word has length 260 [2023-11-29 01:59:58,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:59:58,997 INFO L495 AbstractCegarLoop]: Abstraction has 17838 states and 21295 transitions. [2023-11-29 01:59:58,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 17.17391304347826) internal successors, (395), 24 states have internal predecessors, (395), 23 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 23 states have call predecessors, (24), 23 states have call successors, (24) [2023-11-29 01:59:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 17838 states and 21295 transitions. [2023-11-29 01:59:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2023-11-29 01:59:59,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:59:59,003 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:59:59,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2023-11-29 01:59:59,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2023-11-29 01:59:59,203 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 01:59:59,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:59:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash -451095777, now seen corresponding path program 3 times [2023-11-29 01:59:59,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:59:59,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902812755] [2023-11-29 01:59:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:59:59,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:59:59,214 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:59:59,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [32339856] [2023-11-29 01:59:59,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:59:59,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:59:59,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:59:59,215 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:59:59,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-29 01:59:59,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-11-29 01:59:59,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:59:59,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 01:59:59,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:59:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-29 01:59:59,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:59:59,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:59:59,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902812755] [2023-11-29 01:59:59,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:59:59,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32339856] [2023-11-29 01:59:59,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32339856] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:59:59,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:59:59,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-29 01:59:59,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911952889] [2023-11-29 01:59:59,793 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:59:59,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:59:59,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:59:59,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:59:59,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:59:59,794 INFO L87 Difference]: Start difference. First operand 17838 states and 21295 transitions. Second operand has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-11-29 02:00:01,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:00:01,686 INFO L93 Difference]: Finished difference Result 27292 states and 32937 transitions. [2023-11-29 02:00:01,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 02:00:01,686 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 294 [2023-11-29 02:00:01,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:00:01,705 INFO L225 Difference]: With dead ends: 27292 [2023-11-29 02:00:01,705 INFO L226 Difference]: Without dead ends: 15739 [2023-11-29 02:00:01,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=894, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 02:00:01,717 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 343 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:00:01,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 405 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 02:00:01,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15739 states. [2023-11-29 02:00:02,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15739 to 15140. [2023-11-29 02:00:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15140 states, 14336 states have (on average 1.1690848214285714) internal successors, (16760), 14342 states have internal predecessors, (16760), 782 states have call successors, (782), 15 states have call predecessors, (782), 15 states have return successors, (782), 782 states have call predecessors, (782), 782 states have call successors, (782) [2023-11-29 02:00:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15140 states to 15140 states and 18324 transitions. [2023-11-29 02:00:02,525 INFO L78 Accepts]: Start accepts. Automaton has 15140 states and 18324 transitions. Word has length 294 [2023-11-29 02:00:02,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:00:02,525 INFO L495 AbstractCegarLoop]: Abstraction has 15140 states and 18324 transitions. [2023-11-29 02:00:02,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-11-29 02:00:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 15140 states and 18324 transitions. [2023-11-29 02:00:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2023-11-29 02:00:02,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:00:02,531 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:00:02,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2023-11-29 02:00:02,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-11-29 02:00:02,731 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 02:00:02,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:00:02,732 INFO L85 PathProgramCache]: Analyzing trace with hash 943205750, now seen corresponding path program 3 times [2023-11-29 02:00:02,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:00:02,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850862772] [2023-11-29 02:00:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:00:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:00:02,745 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:00:02,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310738838] [2023-11-29 02:00:02,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 02:00:02,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:00:02,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:00:02,746 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:00:02,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-11-29 02:00:02,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 02:00:02,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:00:02,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:00:02,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:00:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 1837 trivial. 0 not checked. [2023-11-29 02:00:02,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:00:02,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:00:02,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850862772] [2023-11-29 02:00:02,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:00:02,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310738838] [2023-11-29 02:00:02,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310738838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:00:02,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:00:02,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:00:02,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149247382] [2023-11-29 02:00:02,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:00:02,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:00:02,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:00:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:00:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:00:02,839 INFO L87 Difference]: Start difference. First operand 15140 states and 18324 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 02:00:03,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:00:03,531 INFO L93 Difference]: Finished difference Result 15140 states and 18324 transitions. [2023-11-29 02:00:03,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:00:03,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 337 [2023-11-29 02:00:03,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:00:03,545 INFO L225 Difference]: With dead ends: 15140 [2023-11-29 02:00:03,546 INFO L226 Difference]: Without dead ends: 15139 [2023-11-29 02:00:03,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:00:03,550 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 21 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:00:03,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 122 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:00:03,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15139 states. [2023-11-29 02:00:04,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15139 to 15077. [2023-11-29 02:00:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15077 states, 14274 states have (on average 1.1238615664845173) internal successors, (16042), 14284 states have internal predecessors, (16042), 782 states have call successors, (782), 15 states have call predecessors, (782), 15 states have return successors, (782), 777 states have call predecessors, (782), 782 states have call successors, (782) [2023-11-29 02:00:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15077 states to 15077 states and 17606 transitions. [2023-11-29 02:00:04,337 INFO L78 Accepts]: Start accepts. Automaton has 15077 states and 17606 transitions. Word has length 337 [2023-11-29 02:00:04,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:00:04,337 INFO L495 AbstractCegarLoop]: Abstraction has 15077 states and 17606 transitions. [2023-11-29 02:00:04,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-29 02:00:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 15077 states and 17606 transitions. [2023-11-29 02:00:04,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2023-11-29 02:00:04,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:00:04,343 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:00:04,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2023-11-29 02:00:04,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:00:04,543 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2023-11-29 02:00:04,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:00:04,544 INFO L85 PathProgramCache]: Analyzing trace with hash 354922677, now seen corresponding path program 4 times [2023-11-29 02:00:04,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:00:04,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170314039] [2023-11-29 02:00:04,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:00:04,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:00:04,558 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:00:04,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412396211] [2023-11-29 02:00:04,558 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 02:00:04,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:00:04,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:00:04,559 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:00:04,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2023-11-29 02:00:04,658 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 02:00:04,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:00:04,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 02:00:04,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:00:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 1821 proven. 10 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-29 02:00:05,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:00:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 1481 proven. 10 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2023-11-29 02:00:05,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:00:05,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170314039] [2023-11-29 02:00:05,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:00:05,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412396211] [2023-11-29 02:00:05,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412396211] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:00:05,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:00:05,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24] total 24 [2023-11-29 02:00:05,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397261238] [2023-11-29 02:00:05,380 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:00:05,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 02:00:05,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:00:05,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 02:00:05,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2023-11-29 02:00:05,382 INFO L87 Difference]: Start difference. First operand 15077 states and 17606 transitions. Second operand has 24 states, 24 states have (on average 10.583333333333334) internal successors, (254), 24 states have internal predecessors, (254), 12 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 12 states have call predecessors, (26), 12 states have call successors, (26) [2023-11-29 02:00:05,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:00:05,802 INFO L93 Difference]: Finished difference Result 15077 states and 17606 transitions. [2023-11-29 02:00:05,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 02:00:05,803 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 10.583333333333334) internal successors, (254), 24 states have internal predecessors, (254), 12 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 12 states have call predecessors, (26), 12 states have call successors, (26) Word has length 340 [2023-11-29 02:00:05,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:00:05,803 INFO L225 Difference]: With dead ends: 15077 [2023-11-29 02:00:05,803 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:00:05,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 635 SyntacticMatches, 21 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=659, Invalid=1321, Unknown=0, NotChecked=0, Total=1980 [2023-11-29 02:00:05,816 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 87 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:00:05,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1182 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:00:05,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:00:05,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:00:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:00:05,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:00:05,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2023-11-29 02:00:05,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:00:05,818 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:00:05,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.583333333333334) internal successors, (254), 24 states have internal predecessors, (254), 12 states have call successors, (26), 13 states have call predecessors, (26), 13 states have return successors, (26), 12 states have call predecessors, (26), 12 states have call successors, (26) [2023-11-29 02:00:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:00:05,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:00:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2023-11-29 02:00:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2023-11-29 02:00:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2023-11-29 02:00:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2023-11-29 02:00:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2023-11-29 02:00:05,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2023-11-29 02:00:05,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2023-11-29 02:00:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2023-11-29 02:00:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2023-11-29 02:00:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2023-11-29 02:00:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2023-11-29 02:00:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2023-11-29 02:00:05,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2023-11-29 02:00:05,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2023-11-29 02:00:06,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-11-29 02:00:06,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:00:19,876 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 297 DAG size of output: 218 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 02:00:19,881 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point L36-3(lines 36 49) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point L36-5(lines 36 49) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 02:00:19,882 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-29 02:00:19,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-29 02:00:19,883 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-29 02:00:19,883 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-11-29 02:00:19,883 INFO L899 garLoopResultBuilder]: For program point L41-2(lines 41 48) no Hoare annotation was computed. [2023-11-29 02:00:19,883 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,883 INFO L895 garLoopResultBuilder]: At program point L41-4(lines 36 49) the Hoare annotation is: (let ((.cse68 (* |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y1~0#1|))) (let ((.cse77 (+ (* 3 |ULTIMATE.start_main_~y1~0#1|) |ULTIMATE.start_main_~y3~0#1|)) (.cse70 (+ |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y3~0#1|)) (.cse78 (+ (* 2 |ULTIMATE.start_main_~y1~0#1|) |ULTIMATE.start_main_~y3~0#1|)) (.cse74 (+ .cse68 |ULTIMATE.start_main_~y3~0#1|))) (let ((.cse27 (<= .cse74 2147483646)) (.cse43 (<= |ULTIMATE.start_main_~y1~0#1| 5)) (.cse62 (<= |ULTIMATE.start_main_~y2~0#1| 5)) (.cse18 (= 2 |ULTIMATE.start_main_~y1~0#1|)) (.cse44 (<= .cse78 2147483647)) (.cse52 (<= .cse70 2147483647)) (.cse53 (<= |ULTIMATE.start_main_~x2~0#1| 1073741823)) (.cse61 (= |ULTIMATE.start_main_~y2~0#1| 4)) (.cse69 (<= .cse77 2147483645)) (.cse59 (<= |ULTIMATE.start_main_~y3~0#1| 2147483642)) (.cse36 (= 5 |ULTIMATE.start_main_~x2~0#1|)) (.cse58 (<= .cse74 2147483647)) (.cse49 (<= |ULTIMATE.start_main_~y1~0#1| 3)) (.cse67 (<= .cse78 2147483646)) (.cse54 (<= |ULTIMATE.start_main_~y1~0#1| 4)) (.cse50 (<= .cse70 2147483646)) (.cse41 (= ~counter~0 5)) (.cse71 (<= .cse68 6)) (.cse42 (<= |ULTIMATE.start_main_~x1~0#1| (+ 5 |ULTIMATE.start_main_~y3~0#1|))) (.cse51 (<= 0 (+ 2147483649 |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y3~0#1|))) (.cse63 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 1))) (.cse64 (<= |ULTIMATE.start_main_~y3~0#1| 2147483646)) (.cse65 (= ~counter~0 1)) (.cse19 (= 2 |ULTIMATE.start_main_~x2~0#1|)) (.cse3 (<= |ULTIMATE.start_main_~x1~0#1| (+ 2 |ULTIMATE.start_main_~y3~0#1|))) (.cse75 (<= |ULTIMATE.start_main_~y3~0#1| 2147483645)) (.cse6 (= ~counter~0 2)) (.cse1 (= |ULTIMATE.start_main_~x2~0#1| 1)) (.cse26 (= ~counter~0 9)) (.cse5 (<= (+ |ULTIMATE.start_main_~y1~0#1| |ULTIMATE.start_main_~y3~0#1|) 2147483647)) (.cse28 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 2147483642))) (.cse38 (<= .cse77 2147483646)) (.cse47 (= ~counter~0 3)) (.cse48 (<= |ULTIMATE.start_main_~x1~0#1| (+ 3 |ULTIMATE.start_main_~y3~0#1|))) (.cse60 (<= |ULTIMATE.start_main_~y3~0#1| 2147483644)) (.cse11 (<= |ULTIMATE.start_main_~x2~0#1| 2147483647)) (.cse12 (= |ULTIMATE.start_main_~y1~0#1| 0)) (.cse13 (not (= |ULTIMATE.start_main_~x2~0#1| 0))) (.cse15 (<= (+ |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|) 2147483647)) (.cse16 (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648))) (.cse66 (<= (+ |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|) 2147483647)) (.cse76 (<= |ULTIMATE.start_main_~y2~0#1| 6)) (.cse17 (<= 4 |ULTIMATE.start_main_~y2~0#1|)) (.cse10 (= ~counter~0 7)) (.cse2 (= |ULTIMATE.start_main_~y2~0#1| 0)) (.cse56 (<= .cse77 2147483647)) (.cse14 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 2147483640))) (.cse7 (<= |ULTIMATE.start_main_~y1~0#1| 2)) (.cse8 (<= 1 |ULTIMATE.start_main_~y1~0#1|)) (.cse55 (<= |ULTIMATE.start_main_~x1~0#1| (+ 6 |ULTIMATE.start_main_~y3~0#1|))) (.cse24 (<= 3 |ULTIMATE.start_main_~x2~0#1|)) (.cse57 (= ~counter~0 6)) (.cse72 (<= .cse70 2147483645)) (.cse45 (= ~counter~0 8)) (.cse35 (= 2 |ULTIMATE.start_main_~y2~0#1|)) (.cse46 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 2147483641))) (.cse73 (<= 0 (+ 2147483650 |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y3~0#1|))) (.cse29 (<= |ULTIMATE.start_main_~y3~0#1| 2147483647)) (.cse39 (= ~counter~0 10)) (.cse30 (<= .cse70 2147483644)) (.cse40 (<= |ULTIMATE.start_main_~x1~0#1| (+ 2147483643 |ULTIMATE.start_main_~y3~0#1|))) (.cse32 (= 3 |ULTIMATE.start_main_~y2~0#1|)) (.cse25 (<= (+ .cse68 |ULTIMATE.start_main_~x2~0#1|) 2147483647)) (.cse33 (<= 0 (+ 2147483651 |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y3~0#1|))) (.cse4 (<= |ULTIMATE.start_main_~x1~0#1| 2147483647)) (.cse34 (<= 5 |ULTIMATE.start_main_~x2~0#1|)) (.cse0 (<= 0 |ULTIMATE.start_main_~x1~0#1|)) (.cse20 (= ~counter~0 4)) (.cse31 (= |ULTIMATE.start_main_~y1~0#1| 1)) (.cse37 (= 3 |ULTIMATE.start_main_~x2~0#1|)) (.cse21 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 4))) (.cse23 (= |ULTIMATE.start_main_~y2~0#1| 1)) (.cse22 (<= |ULTIMATE.start_main_~y3~0#1| 2147483643)) (.cse9 (<= 0 |ULTIMATE.start_main_~y3~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 (<= |ULTIMATE.start_main_~y2~0#1| 7) .cse12 .cse13 .cse14 .cse15 .cse16 .cse4 .cse17 .cse9) (and .cse0 .cse18 .cse19 .cse20 .cse2 .cse21 .cse22 .cse9) (and .cse0 .cse23 .cse24 .cse25 .cse26 .cse27 .cse4 .cse28 .cse7 .cse8 .cse9) (and .cse0 .cse29 .cse30 .cse31 .cse32 .cse25 .cse26 .cse33 .cse4 .cse28 .cse34 .cse9) (and .cse0 .cse10 .cse1 (<= |ULTIMATE.start_main_~y1~0#1| 7) .cse2 .cse14 .cse4 .cse5 .cse8 .cse9) (and .cse0 .cse10 .cse35 .cse31 (<= |ULTIMATE.start_main_~y3~0#1| 2147483640) .cse14 .cse4 .cse36 .cse9) (and .cse0 .cse11 .cse12 .cse13 .cse15 .cse26 .cse16 (<= |ULTIMATE.start_main_~y2~0#1| 9) .cse4 .cse28 .cse17 .cse9) (and .cse0 .cse10 .cse37 .cse38 .cse23 .cse14 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse39 .cse40 .cse23 .cse25 .cse27 .cse4 .cse7 .cse34 .cse8 .cse9) (and .cse0 .cse1 .cse41 .cse2 .cse42 .cse43 .cse4 .cse5 .cse8 .cse9) (and .cse0 .cse44 .cse39 .cse19 .cse2 .cse40 .cse43 .cse4 .cse8 .cse9) (and .cse0 .cse45 .cse31 .cse32 .cse46 .cse4 (<= |ULTIMATE.start_main_~y3~0#1| 2147483639) .cse36 .cse9) (and .cse0 .cse47 .cse1 .cse2 .cse48 .cse4 .cse5 .cse8 .cse49 .cse9) (and .cse0 .cse50 .cse29 .cse45 .cse31 .cse23 .cse25 .cse46 .cse4 .cse51 .cse34 .cse9) (and .cse0 .cse20 .cse2 .cse31 .cse52 .cse21 .cse24 .cse4 .cse53 .cse9) (and .cse0 .cse1 .cse45 .cse2 (<= |ULTIMATE.start_main_~y1~0#1| 8) .cse46 .cse4 .cse5 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse31 .cse52 .cse14 .cse4 .cse53 .cse34 .cse9) (and .cse0 .cse44 .cse45 .cse19 .cse2 .cse46 .cse4 .cse54 .cse8 .cse9) (and .cse0 .cse55 .cse2 .cse37 .cse56 .cse57 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse55 .cse31 .cse23 .cse57 .cse36 (<= |ULTIMATE.start_main_~y3~0#1| 2147483641) .cse9) (and .cse0 .cse39 .cse2 .cse40 .cse58 .cse4 .cse7 .cse34 .cse8 .cse9) (and .cse0 .cse35 .cse41 .cse31 .cse37 .cse59 .cse42 .cse9) (and .cse0 .cse29 .cse11 .cse2 (<= |ULTIMATE.start_main_~x1~0#1| |ULTIMATE.start_main_~y3~0#1|) .cse12 .cse13 (= ~counter~0 0) .cse16) (and .cse0 .cse47 .cse19 .cse31 .cse23 .cse48 .cse60 .cse9) (and .cse0 .cse61 .cse11 .cse20 .cse21 .cse12 .cse22 .cse13 .cse16 .cse9) (and .cse0 .cse11 .cse41 .cse62 .cse12 .cse13 .cse42 .cse15 .cse16 .cse4 .cse17 .cse9) (and .cse0 .cse1 .cse2 .cse31 .cse63 .cse64 .cse65 .cse9) (and .cse0 .cse62 .cse31 .cse66 .cse24 .cse25 .cse26 .cse4 .cse28 .cse17 .cse9) (and .cse0 .cse18 .cse41 .cse19 .cse59 .cse23 .cse42 .cse9) (and .cse0 .cse10 .cse67 .cse19 .cse23 .cse14 .cse4 .cse8 .cse49 .cse9) (and .cse0 .cse44 .cse55 .cse19 .cse2 .cse57 .cse4 .cse8 .cse49 .cse9) (and .cse0 .cse10 .cse29 .cse30 .cse31 (<= .cse68 4) .cse32 .cse24 .cse14 .cse33 .cse4 .cse9) (and .cse0 .cse55 .cse2 .cse31 .cse52 .cse57 .cse4 .cse53 .cse34 .cse9) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y1~0#1| 6) .cse55 .cse2 .cse57 .cse4 .cse5 .cse8 .cse9) (and .cse0 .cse45 .cse35 .cse37 .cse69 .cse46 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse45 .cse2 .cse58 .cse24 .cse25 .cse46 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse61 .cse45 .cse31 .cse24 (<= .cse70 2147483643) .cse25 .cse46 .cse4 .cse9) (and .cse0 .cse35 .cse37 .cse69 .cse26 .cse4 .cse28 .cse7 .cse8 .cse9) (and .cse0 .cse41 .cse2 .cse31 .cse59 .cse42 .cse36 .cse9) (and .cse0 .cse39 .cse40 .cse37 .cse38 .cse23 .cse4 .cse8 .cse49 .cse9) (and .cse0 .cse1 .cse20 .cse2 .cse21 .cse4 .cse5 .cse54 .cse8 .cse9) (and .cse0 .cse45 .cse11 .cse12 .cse13 .cse15 .cse16 .cse46 .cse4 .cse17 (<= |ULTIMATE.start_main_~y2~0#1| 8) .cse9) (and .cse0 .cse2 .cse37 .cse56 .cse26 .cse4 .cse28 .cse8 .cse49 .cse9) (and .cse0 .cse10 .cse50 .cse29 .cse31 .cse23 .cse71 .cse14 .cse4 .cse51 .cse34 .cse9) (and .cse0 .cse2 .cse58 .cse25 .cse26 .cse4 .cse28 .cse7 .cse34 .cse8 .cse9) (and .cse0 .cse39 .cse2 .cse40 .cse37 .cse56 .cse4 .cse8 .cse49 .cse9) (and .cse0 .cse1 .cse39 (<= |ULTIMATE.start_main_~y1~0#1| 2147483639) .cse2 .cse40 .cse4 .cse5 .cse8 .cse9) (and .cse0 .cse29 .cse72 .cse35 .cse31 .cse25 .cse26 .cse4 .cse28 .cse34 .cse73 .cse9) (and .cse0 .cse67 .cse19 .cse23 .cse26 .cse4 .cse28 .cse54 .cse8 .cse9) (and .cse0 .cse50 .cse29 .cse41 .cse31 .cse23 .cse71 .cse24 .cse42 .cse4 .cse51 .cse9) (and .cse0 .cse39 (<= |ULTIMATE.start_main_~y2~0#1| 10) .cse11 .cse40 .cse12 .cse13 .cse15 .cse16 .cse4 .cse17 .cse9) (and .cse0 .cse39 .cse35 .cse40 .cse24 (<= .cse74 2147483645) .cse25 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse11 .cse63 .cse23 .cse12 .cse13 .cse16 .cse64 .cse65 .cse9) (and .cse0 .cse19 .cse2 .cse31 .cse3 .cse75 .cse6 .cse9) (and .cse0 .cse35 .cse11 .cse12 .cse13 .cse3 .cse75 .cse16 .cse6 .cse9) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~y1~0#1| 2147483638) .cse26 .cse4 .cse5 .cse28 .cse8 .cse9) (and .cse0 .cse45 .cse37 .cse38 .cse23 .cse46 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse47 .cse11 .cse12 .cse32 .cse13 .cse48 .cse16 .cse60 .cse9) (and .cse0 .cse47 .cse2 .cse31 .cse37 .cse48 .cse60 .cse9) (and .cse0 .cse55 .cse11 .cse12 .cse13 .cse76 .cse57 .cse15 .cse16 .cse4 .cse17 .cse9) (and .cse0 .cse39 .cse31 .cse40 .cse66 .cse76 .cse24 .cse25 .cse4 .cse17 .cse9) (and .cse0 .cse10 .cse2 .cse37 .cse56 .cse14 .cse4 .cse7 .cse8 .cse9) (and .cse0 .cse29 .cse72 .cse35 .cse55 .cse31 (<= .cse68 5) .cse24 .cse57 .cse4 .cse73 .cse9) (and .cse0 .cse29 .cse72 .cse45 .cse35 .cse31 .cse25 .cse46 .cse4 .cse34 .cse73 .cse9) (and .cse0 .cse29 .cse39 .cse30 .cse31 .cse40 .cse32 .cse25 .cse33 .cse4 .cse34 .cse9) (and .cse0 .cse20 .cse31 .cse37 .cse21 .cse23 .cse22 .cse9))))) [2023-11-29 02:00:19,883 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,884 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,884 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,884 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 02:00:19,884 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,884 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:00:19,884 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,884 INFO L895 garLoopResultBuilder]: At program point L37-6(line 37) the Hoare annotation is: (let ((.cse40 (* |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y1~0#1|))) (let ((.cse69 (+ .cse40 |ULTIMATE.start_main_~y3~0#1|)) (.cse72 (+ (* 3 |ULTIMATE.start_main_~y1~0#1|) |ULTIMATE.start_main_~y3~0#1|)) (.cse71 (+ (* 2 |ULTIMATE.start_main_~y1~0#1|) |ULTIMATE.start_main_~y3~0#1|)) (.cse56 (+ |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y3~0#1|))) (let ((.cse46 (= ~counter~0 3)) (.cse47 (<= |ULTIMATE.start_main_~x1~0#1| (+ 2 |ULTIMATE.start_main_~y3~0#1|))) (.cse49 (<= |ULTIMATE.start_main_~y3~0#1| 2147483645)) (.cse10 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 1))) (.cse15 (<= |ULTIMATE.start_main_~y3~0#1| 2147483646)) (.cse16 (= ~counter~0 2)) (.cse55 (= |ULTIMATE.start_main_~y2~0#1| 4)) (.cse39 (<= .cse56 2147483644)) (.cse42 (<= 0 (+ 2147483651 |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y3~0#1|))) (.cse43 (<= .cse71 2147483647)) (.cse30 (= ~counter~0 7)) (.cse31 (<= |ULTIMATE.start_main_~x1~0#1| (+ 6 |ULTIMATE.start_main_~y3~0#1|))) (.cse58 (<= .cse72 2147483647)) (.cse57 (<= |ULTIMATE.start_main_~y3~0#1| 2147483643)) (.cse45 (<= |ULTIMATE.start_main_~y1~0#1| 3)) (.cse29 (<= .cse72 2147483646)) (.cse34 (= 5 |ULTIMATE.start_main_~x2~0#1|)) (.cse1 (= |ULTIMATE.start_main_~x2~0#1| 1)) (.cse6 (<= (+ |ULTIMATE.start_main_~y1~0#1| |ULTIMATE.start_main_~y3~0#1|) 2147483647)) (.cse50 (<= .cse56 2147483646)) (.cse27 (= ~counter~0 8)) (.cse59 (<= .cse40 6)) (.cse28 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 2147483640))) (.cse60 (<= 0 (+ 2147483649 |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y3~0#1|))) (.cse68 (= 2 |ULTIMATE.start_main_~y1~0#1|)) (.cse48 (<= |ULTIMATE.start_main_~y3~0#1| 2147483642)) (.cse21 (= 3 |ULTIMATE.start_main_~x2~0#1|)) (.cse22 (<= .cse72 2147483645)) (.cse67 (<= .cse71 2147483646)) (.cse44 (= 2 |ULTIMATE.start_main_~x2~0#1|)) (.cse11 (= |ULTIMATE.start_main_~y2~0#1| 1)) (.cse19 (<= |ULTIMATE.start_main_~y1~0#1| 4)) (.cse66 (<= |ULTIMATE.start_main_~y2~0#1| 5)) (.cse3 (<= |ULTIMATE.start_main_~x1~0#1| (+ 5 |ULTIMATE.start_main_~y3~0#1|))) (.cse4 (= ~counter~0 6)) (.cse37 (<= (+ |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|) 2147483647)) (.cse38 (<= 4 |ULTIMATE.start_main_~y2~0#1|)) (.cse9 (<= |ULTIMATE.start_main_~x2~0#1| 2147483647)) (.cse63 (= ~counter~0 4)) (.cse12 (= |ULTIMATE.start_main_~y1~0#1| 0)) (.cse33 (= 3 |ULTIMATE.start_main_~y2~0#1|)) (.cse13 (not (= |ULTIMATE.start_main_~x2~0#1| 0))) (.cse64 (<= |ULTIMATE.start_main_~x1~0#1| (+ 3 |ULTIMATE.start_main_~y3~0#1|))) (.cse14 (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648))) (.cse65 (<= |ULTIMATE.start_main_~y3~0#1| 2147483644)) (.cse26 (<= |ULTIMATE.start_main_~y3~0#1| 2147483647)) (.cse53 (<= .cse56 2147483645)) (.cse20 (= 2 |ULTIMATE.start_main_~y2~0#1|)) (.cse54 (<= 0 (+ 2147483650 |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y3~0#1|))) (.cse17 (= ~counter~0 5)) (.cse32 (= |ULTIMATE.start_main_~y1~0#1| 1)) (.cse61 (<= .cse56 2147483647)) (.cse18 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 4))) (.cse62 (<= |ULTIMATE.start_main_~x2~0#1| 1073741823)) (.cse35 (= ~counter~0 10)) (.cse36 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 2147483642))) (.cse52 (<= 5 |ULTIMATE.start_main_~x2~0#1|)) (.cse0 (<= 0 |ULTIMATE.start_main_~x1~0#1|)) (.cse2 (= |ULTIMATE.start_main_~y2~0#1| 0)) (.cse70 (<= .cse69 2147483647)) (.cse41 (<= 3 |ULTIMATE.start_main_~x2~0#1|)) (.cse51 (<= (+ .cse40 |ULTIMATE.start_main_~x2~0#1|) 2147483647)) (.cse23 (= ~counter~0 9)) (.cse24 (<= |ULTIMATE.start_main_~x1~0#1| (+ |ULTIMATE.start_main_~y3~0#1| 2147483641))) (.cse5 (<= |ULTIMATE.start_main_~x1~0#1| 2147483647)) (.cse25 (<= |ULTIMATE.start_main_~y1~0#1| 2)) (.cse7 (<= 1 |ULTIMATE.start_main_~y1~0#1|)) (.cse8 (<= 0 |ULTIMATE.start_main_~y3~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~y1~0#1| 5) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse8) (and .cse0 .cse1 .cse17 .cse2 .cse18 .cse5 .cse6 .cse19 .cse7 .cse8) (and .cse0 .cse20 .cse21 .cse22 .cse23 .cse24 .cse5 .cse25 .cse7 .cse8) (and .cse0 .cse26 .cse9 .cse2 (<= |ULTIMATE.start_main_~x1~0#1| |ULTIMATE.start_main_~y3~0#1|) .cse12 .cse13 .cse14 (= ~counter~0 1)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y1~0#1| 7) .cse27 .cse2 .cse28 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse21 .cse29 .cse11 .cse23 .cse24 .cse5 .cse25 .cse7 .cse8) (and .cse0 .cse30 .cse1 (<= |ULTIMATE.start_main_~y1~0#1| 6) .cse31 .cse2 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse32 .cse33 .cse23 .cse24 .cse5 (<= |ULTIMATE.start_main_~y3~0#1| 2147483639) .cse34 .cse8) (and .cse0 .cse1 .cse35 .cse2 (<= |ULTIMATE.start_main_~y1~0#1| 2147483638) .cse5 .cse6 .cse36 .cse7 .cse8) (and .cse0 .cse27 .cse20 .cse32 (<= |ULTIMATE.start_main_~y3~0#1| 2147483640) .cse28 .cse5 .cse34 .cse8) (and .cse0 .cse27 .cse9 (<= |ULTIMATE.start_main_~y2~0#1| 7) .cse12 .cse13 .cse28 .cse37 .cse14 .cse5 .cse38 .cse8) (and .cse0 .cse9 .cse12 .cse13 .cse37 .cse23 .cse14 .cse24 .cse5 .cse38 (<= |ULTIMATE.start_main_~y2~0#1| 8) .cse8) (and .cse0 .cse26 .cse27 .cse39 .cse32 (<= .cse40 4) .cse33 .cse41 .cse28 .cse42 .cse5 .cse8) (and .cse0 .cse43 .cse30 .cse31 .cse44 .cse2 .cse5 .cse7 .cse45 .cse8) (and .cse0 .cse46 .cse1 .cse2 .cse47 .cse5 .cse6 .cse25 .cse7 .cse8) (and .cse0 .cse20 .cse32 .cse21 .cse48 .cse3 .cse4 .cse8) (and .cse0 .cse46 .cse20 .cse9 .cse12 .cse13 .cse47 .cse49 .cse14 .cse8) (and .cse0 .cse46 .cse44 .cse2 .cse32 .cse47 .cse49 .cse8) (and .cse0 .cse50 .cse32 .cse11 .cse51 .cse23 .cse24 .cse5 .cse52 .cse8) (and .cse0 .cse1 .cse2 .cse32 .cse10 .cse15 .cse16 .cse8) (and .cse0 .cse30 .cse26 .cse53 .cse20 .cse31 .cse32 (<= .cse40 5) .cse41 .cse5 .cse54 .cse8) (and .cse0 .cse55 .cse32 .cse41 (<= .cse56 2147483643) .cse51 .cse23 .cse24 .cse5 .cse8) (and .cse0 .cse55 .cse9 .cse17 .cse18 .cse12 .cse57 .cse13 .cse14 .cse8) (and .cse0 .cse35 .cse2 .cse21 .cse58 .cse5 .cse36 .cse7 .cse45 .cse8) (and .cse0 .cse30 .cse31 .cse2 .cse21 .cse58 .cse5 .cse25 .cse7 .cse8) (and .cse0 .cse50 .cse26 .cse32 .cse11 .cse59 .cse41 .cse3 .cse4 .cse5 .cse60 .cse8) (and .cse0 .cse26 .cse35 .cse53 .cse20 .cse32 .cse51 .cse5 .cse36 .cse52 .cse54 .cse8) (and .cse0 .cse26 .cse35 .cse39 .cse32 .cse33 .cse51 .cse42 .cse5 .cse36 .cse52 .cse8) (and .cse0 .cse30 .cse31 .cse2 .cse32 .cse61 .cse5 .cse62 .cse52 .cse8) (and .cse0 .cse44 .cse63 .cse32 .cse11 .cse64 .cse65 .cse8) (and .cse0 .cse30 .cse31 .cse32 .cse11 .cse34 (<= |ULTIMATE.start_main_~y3~0#1| 2147483641) .cse8) (and .cse0 .cse43 .cse44 .cse2 .cse23 .cse24 .cse5 .cse19 .cse7 .cse8) (and .cse0 .cse17 .cse32 .cse21 .cse18 .cse11 .cse57 .cse8) (and .cse0 .cse30 .cse31 .cse9 .cse12 .cse13 (<= |ULTIMATE.start_main_~y2~0#1| 6) .cse37 .cse14 .cse5 .cse38 .cse8) (and .cse0 .cse27 .cse2 .cse21 .cse58 .cse28 .cse5 .cse25 .cse7 .cse8) (and .cse0 .cse35 .cse66 .cse32 (<= (+ |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|) 2147483647) .cse41 .cse51 .cse5 .cse36 .cse38 .cse8) (and .cse0 .cse67 .cse27 .cse44 .cse11 .cse28 .cse5 .cse7 .cse45 .cse8) (and .cse0 .cse63 .cse2 .cse32 .cse21 .cse64 .cse65 .cse8) (and .cse0 .cse68 .cse17 .cse44 .cse2 .cse18 .cse57 .cse8) (and .cse0 .cse1 .cse63 .cse2 .cse64 .cse5 .cse6 .cse7 .cse45 .cse8) (and .cse0 .cse27 .cse2 .cse32 .cse61 .cse28 .cse5 .cse62 .cse52 .cse8) (and .cse0 .cse27 .cse21 .cse29 .cse11 .cse28 .cse5 .cse25 .cse7 .cse8) (and .cse0 .cse2 .cse32 .cse48 .cse3 .cse4 .cse34 .cse8) (and .cse0 .cse35 .cse9 .cse12 .cse13 .cse37 .cse14 (<= |ULTIMATE.start_main_~y2~0#1| 9) .cse5 .cse36 .cse38 .cse8) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~y1~0#1| 8) .cse23 .cse24 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse50 .cse26 .cse27 .cse32 .cse11 .cse59 .cse28 .cse5 .cse60 .cse52 .cse8) (and .cse0 .cse35 .cse11 .cse41 .cse51 (<= .cse69 2147483646) .cse5 .cse36 .cse25 .cse7 .cse8) (and .cse0 .cse68 .cse44 .cse48 .cse11 .cse3 .cse4 .cse8) (and .cse0 .cse35 .cse20 .cse21 .cse22 .cse5 .cse36 .cse25 .cse7 .cse8) (and .cse0 .cse67 .cse35 .cse44 .cse11 .cse5 .cse36 .cse19 .cse7 .cse8) (and .cse0 .cse9 .cse66 .cse12 .cse13 .cse3 .cse4 .cse37 .cse14 .cse5 .cse38 .cse8) (and .cse0 .cse9 .cse63 .cse12 .cse33 .cse13 .cse64 .cse14 .cse65 .cse8) (and .cse0 .cse26 .cse53 .cse20 .cse32 .cse51 .cse23 .cse24 .cse5 .cse52 .cse54 .cse8) (and .cse0 .cse17 .cse2 .cse32 .cse61 .cse18 .cse41 .cse5 .cse62 .cse8) (and .cse0 .cse35 .cse2 .cse70 .cse51 .cse5 .cse36 .cse25 .cse52 .cse7 .cse8) (and .cse0 .cse2 .cse70 .cse41 .cse51 .cse23 .cse24 .cse5 .cse25 .cse7 .cse8))))) [2023-11-29 02:00:19,884 INFO L899 garLoopResultBuilder]: For program point L37-7(lines 36 49) no Hoare annotation was computed. [2023-11-29 02:00:19,884 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (= ~counter~0 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647)) [2023-11-29 02:00:19,885 INFO L895 garLoopResultBuilder]: At program point L29-1(line 29) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (= ~counter~0 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647)) [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L902 garLoopResultBuilder]: At program point L50-3(line 50) the Hoare annotation is: true [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point L50-4(line 50) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-29 02:00:19,885 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point L47-1(line 47) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-11-29 02:00:19,886 INFO L899 garLoopResultBuilder]: For program point L13-2(lines 12 14) no Hoare annotation was computed. [2023-11-29 02:00:19,887 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2023-11-29 02:00:19,887 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 12 14) no Hoare annotation was computed. [2023-11-29 02:00:19,887 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed. [2023-11-29 02:00:19,887 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 15 21) no Hoare annotation was computed. [2023-11-29 02:00:19,887 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 15 21) no Hoare annotation was computed. [2023-11-29 02:00:19,887 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: true [2023-11-29 02:00:19,890 INFO L445 BasicCegarLoop]: Path program histogram: [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:00:19,892 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:00:19,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:00:19 BoogieIcfgContainer [2023-11-29 02:00:19,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:00:19,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:00:19,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:00:19,934 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:00:19,935 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:59:10" (3/4) ... [2023-11-29 02:00:19,937 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:00:19,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-29 02:00:19,941 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-29 02:00:19,946 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-29 02:00:19,946 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:00:19,947 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:00:19,947 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:00:20,054 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:00:20,055 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:00:20,055 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:00:20,055 INFO L158 Benchmark]: Toolchain (without parser) took 70137.88ms. Allocated memory was 138.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 107.0MB in the beginning and 544.7MB in the end (delta: -437.7MB). Peak memory consumption was 898.7MB. Max. memory is 16.1GB. [2023-11-29 02:00:20,055 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:00:20,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.02ms. Allocated memory is still 138.4MB. Free memory was 107.0MB in the beginning and 96.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 02:00:20,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.30ms. Allocated memory is still 138.4MB. Free memory was 96.5MB in the beginning and 95.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:00:20,056 INFO L158 Benchmark]: Boogie Preprocessor took 36.74ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 93.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:00:20,057 INFO L158 Benchmark]: RCFGBuilder took 344.87ms. Allocated memory is still 138.4MB. Free memory was 92.9MB in the beginning and 79.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:00:20,057 INFO L158 Benchmark]: TraceAbstraction took 69363.86ms. Allocated memory was 138.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 78.6MB in the beginning and 551.0MB in the end (delta: -472.5MB). Peak memory consumption was 965.0MB. Max. memory is 16.1GB. [2023-11-29 02:00:20,057 INFO L158 Benchmark]: Witness Printer took 120.75ms. Allocated memory is still 1.5GB. Free memory was 551.0MB in the beginning and 544.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:00:20,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.02ms. Allocated memory is still 138.4MB. Free memory was 107.0MB in the beginning and 96.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.30ms. Allocated memory is still 138.4MB. Free memory was 96.5MB in the beginning and 95.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.74ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 93.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.87ms. Allocated memory is still 138.4MB. Free memory was 92.9MB in the beginning and 79.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 69363.86ms. Allocated memory was 138.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 78.6MB in the beginning and 551.0MB in the end (delta: -472.5MB). Peak memory consumption was 965.0MB. Max. memory is 16.1GB. * Witness Printer took 120.75ms. Allocated memory is still 1.5GB. Free memory was 551.0MB in the beginning and 544.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 64 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 69.3s, OverallIterations: 39, TraceHistogramMax: 15, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6529 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6508 mSDsluCounter, 10249 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8224 mSDsCounter, 470 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9083 IncrementalHoareTripleChecker+Invalid, 9553 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 470 mSolverCounterUnsat, 2025 mSDtfsCounter, 9083 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7117 GetRequests, 6439 SyntacticMatches, 47 SemanticMatches, 631 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4052 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17838occurred in iteration=36, InterpolantAutomatonStates: 563, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.6s AutomataMinimizationTime, 39 MinimizatonAttempts, 8053 StatesRemovedByMinimization, 33 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1983 PreInvPairs, 2123 NumberOfFragments, 4649 HoareAnnotationTreeSize, 1983 FomulaSimplifications, 31082 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3070 FormulaSimplificationTreeSizeReductionInter, 9.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 4193 NumberOfCodeBlocks, 3595 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 6762 ConstructedInterpolants, 12 QuantifiedInterpolants, 24860 SizeOfPredicates, 119 NumberOfNonLiveVariables, 6649 ConjunctsInSsa, 339 ConjunctsInUnsatCore, 60 InterpolantComputations, 12 PerfectInterpolantSequences, 10645/20542 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= x1) && (x2 == 1)) && (y2 == 0)) && (x1 <= (2 + y3))) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (counter == 2)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3)) || ((((((((((((0 <= x1) && (counter == 7)) && (x2 <= 2147483647)) && (y2 <= 7)) && (y1 == 0)) && !((x2 == 0))) && (x1 <= (y3 + 2147483640))) && ((y2 + y3) <= 2147483647)) && (0 <= (x2 + 2147483648))) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == y1)) && (2 == x2)) && (counter == 4)) && (y2 == 0)) && (x1 <= (y3 + 4))) && (y3 <= 2147483643)) && (0 <= y3))) || (((((((((((0 <= x1) && (y2 == 1)) && (3 <= x2)) && (((x2 * y1) + x2) <= 2147483647)) && (counter == 9)) && (((x2 * y1) + y3) <= 2147483646)) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((((0 <= x1) && (y3 <= 2147483647)) && ((x2 + y3) <= 2147483644)) && (y1 == 1)) && (3 == y2)) && (((x2 * y1) + x2) <= 2147483647)) && (counter == 9)) && (0 <= ((2147483651 + x2) + y3))) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (x2 == 1)) && (y1 <= 7)) && (y2 == 0)) && (x1 <= (y3 + 2147483640))) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 7)) && (2 == y2)) && (y1 == 1)) && (y3 <= 2147483640)) && (x1 <= (y3 + 2147483640))) && (x1 <= 2147483647)) && (5 == x2)) && (0 <= y3))) || ((((((((((((0 <= x1) && (x2 <= 2147483647)) && (y1 == 0)) && !((x2 == 0))) && ((y2 + y3) <= 2147483647)) && (counter == 9)) && (0 <= (x2 + 2147483648))) && (y2 <= 9)) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (4 <= y2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (3 == x2)) && (((3 * y1) + y3) <= 2147483646)) && (y2 == 1)) && (x1 <= (y3 + 2147483640))) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || (((((((((((0 <= x1) && (counter == 10)) && (x1 <= (2147483643 + y3))) && (y2 == 1)) && (((x2 * y1) + x2) <= 2147483647)) && (((x2 * y1) + y3) <= 2147483646)) && (x1 <= 2147483647)) && (y1 <= 2)) && (5 <= x2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (counter == 5)) && (y2 == 0)) && (x1 <= (5 + y3))) && (y1 <= 5)) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (((2 * y1) + y3) <= 2147483647)) && (counter == 10)) && (2 == x2)) && (y2 == 0)) && (x1 <= (2147483643 + y3))) && (y1 <= 5)) && (x1 <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (counter == 8)) && (y1 == 1)) && (3 == y2)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (y3 <= 2147483639)) && (5 == x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 3)) && (x2 == 1)) && (y2 == 0)) && (x1 <= (3 + y3))) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || ((((((((((((0 <= x1) && ((x2 + y3) <= 2147483646)) && (y3 <= 2147483647)) && (counter == 8)) && (y1 == 1)) && (y2 == 1)) && (((x2 * y1) + x2) <= 2147483647)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (0 <= ((2147483649 + x2) + y3))) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 4)) && (y2 == 0)) && (y1 == 1)) && ((x2 + y3) <= 2147483647)) && (x1 <= (y3 + 4))) && (3 <= x2)) && (x1 <= 2147483647)) && (x2 <= 1073741823)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (counter == 8)) && (y2 == 0)) && (y1 <= 8)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (y2 == 0)) && (y1 == 1)) && ((x2 + y3) <= 2147483647)) && (x1 <= (y3 + 2147483640))) && (x1 <= 2147483647)) && (x2 <= 1073741823)) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (((2 * y1) + y3) <= 2147483647)) && (counter == 8)) && (2 == x2)) && (y2 == 0)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (x1 <= (6 + y3))) && (y2 == 0)) && (3 == x2)) && (((3 * y1) + y3) <= 2147483647)) && (counter == 6)) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((0 <= x1) && (x1 <= (6 + y3))) && (y1 == 1)) && (y2 == 1)) && (counter == 6)) && (5 == x2)) && (y3 <= 2147483641)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 10)) && (y2 == 0)) && (x1 <= (2147483643 + y3))) && (((x2 * y1) + y3) <= 2147483647)) && (x1 <= 2147483647)) && (y1 <= 2)) && (5 <= x2)) && (1 <= y1)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == y2)) && (counter == 5)) && (y1 == 1)) && (3 == x2)) && (y3 <= 2147483642)) && (x1 <= (5 + y3))) && (0 <= y3))) || (((((((((0 <= x1) && (y3 <= 2147483647)) && (x2 <= 2147483647)) && (y2 == 0)) && (x1 <= y3)) && (y1 == 0)) && !((x2 == 0))) && (counter == 0)) && (0 <= (x2 + 2147483648)))) || ((((((((0 <= x1) && (counter == 3)) && (2 == x2)) && (y1 == 1)) && (y2 == 1)) && (x1 <= (3 + y3))) && (y3 <= 2147483644)) && (0 <= y3))) || ((((((((((0 <= x1) && (y2 == 4)) && (x2 <= 2147483647)) && (counter == 4)) && (x1 <= (y3 + 4))) && (y1 == 0)) && (y3 <= 2147483643)) && !((x2 == 0))) && (0 <= (x2 + 2147483648))) && (0 <= y3))) || ((((((((((((0 <= x1) && (x2 <= 2147483647)) && (counter == 5)) && (y2 <= 5)) && (y1 == 0)) && !((x2 == 0))) && (x1 <= (5 + y3))) && ((y2 + y3) <= 2147483647)) && (0 <= (x2 + 2147483648))) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || ((((((((0 <= x1) && (x2 == 1)) && (y2 == 0)) && (y1 == 1)) && (x1 <= (y3 + 1))) && (y3 <= 2147483646)) && (counter == 1)) && (0 <= y3))) || (((((((((((0 <= x1) && (y2 <= 5)) && (y1 == 1)) && (((x2 + y2) + y3) <= 2147483647)) && (3 <= x2)) && (((x2 * y1) + x2) <= 2147483647)) && (counter == 9)) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (4 <= y2)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == y1)) && (counter == 5)) && (2 == x2)) && (y3 <= 2147483642)) && (y2 == 1)) && (x1 <= (5 + y3))) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (((2 * y1) + y3) <= 2147483646)) && (2 == x2)) && (y2 == 1)) && (x1 <= (y3 + 2147483640))) && (x1 <= 2147483647)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || ((((((((((0 <= x1) && (((2 * y1) + y3) <= 2147483647)) && (x1 <= (6 + y3))) && (2 == x2)) && (y2 == 0)) && (counter == 6)) && (x1 <= 2147483647)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || ((((((((((((0 <= x1) && (counter == 7)) && (y3 <= 2147483647)) && ((x2 + y3) <= 2147483644)) && (y1 == 1)) && ((x2 * y1) <= 4)) && (3 == y2)) && (3 <= x2)) && (x1 <= (y3 + 2147483640))) && (0 <= ((2147483651 + x2) + y3))) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((((0 <= x1) && (x1 <= (6 + y3))) && (y2 == 0)) && (y1 == 1)) && ((x2 + y3) <= 2147483647)) && (counter == 6)) && (x1 <= 2147483647)) && (x2 <= 1073741823)) && (5 <= x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (y1 <= 6)) && (x1 <= (6 + y3))) && (y2 == 0)) && (counter == 6)) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 8)) && (2 == y2)) && (3 == x2)) && (((3 * y1) + y3) <= 2147483645)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || (((((((((((0 <= x1) && (counter == 8)) && (y2 == 0)) && (((x2 * y1) + y3) <= 2147483647)) && (3 <= x2)) && (((x2 * y1) + x2) <= 2147483647)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (y2 == 4)) && (counter == 8)) && (y1 == 1)) && (3 <= x2)) && ((x2 + y3) <= 2147483643)) && (((x2 * y1) + x2) <= 2147483647)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((((0 <= x1) && (2 == y2)) && (3 == x2)) && (((3 * y1) + y3) <= 2147483645)) && (counter == 9)) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((0 <= x1) && (counter == 5)) && (y2 == 0)) && (y1 == 1)) && (y3 <= 2147483642)) && (x1 <= (5 + y3))) && (5 == x2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 10)) && (x1 <= (2147483643 + y3))) && (3 == x2)) && (((3 * y1) + y3) <= 2147483646)) && (y2 == 1)) && (x1 <= 2147483647)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (counter == 4)) && (y2 == 0)) && (x1 <= (y3 + 4))) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || ((((((((((((0 <= x1) && (counter == 8)) && (x2 <= 2147483647)) && (y1 == 0)) && !((x2 == 0))) && ((y2 + y3) <= 2147483647)) && (0 <= (x2 + 2147483648))) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (4 <= y2)) && (y2 <= 8)) && (0 <= y3))) || ((((((((((0 <= x1) && (y2 == 0)) && (3 == x2)) && (((3 * y1) + y3) <= 2147483647)) && (counter == 9)) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || ((((((((((((0 <= x1) && (counter == 7)) && ((x2 + y3) <= 2147483646)) && (y3 <= 2147483647)) && (y1 == 1)) && (y2 == 1)) && ((x2 * y1) <= 6)) && (x1 <= (y3 + 2147483640))) && (x1 <= 2147483647)) && (0 <= ((2147483649 + x2) + y3))) && (5 <= x2)) && (0 <= y3))) || (((((((((((0 <= x1) && (y2 == 0)) && (((x2 * y1) + y3) <= 2147483647)) && (((x2 * y1) + x2) <= 2147483647)) && (counter == 9)) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (y1 <= 2)) && (5 <= x2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 10)) && (y2 == 0)) && (x1 <= (2147483643 + y3))) && (3 == x2)) && (((3 * y1) + y3) <= 2147483647)) && (x1 <= 2147483647)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (counter == 10)) && (y1 <= 2147483639)) && (y2 == 0)) && (x1 <= (2147483643 + y3))) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || ((((((((((((0 <= x1) && (y3 <= 2147483647)) && ((x2 + y3) <= 2147483645)) && (2 == y2)) && (y1 == 1)) && (((x2 * y1) + x2) <= 2147483647)) && (counter == 9)) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (5 <= x2)) && (0 <= ((2147483650 + x2) + y3))) && (0 <= y3))) || ((((((((((0 <= x1) && (((2 * y1) + y3) <= 2147483646)) && (2 == x2)) && (y2 == 1)) && (counter == 9)) && (x1 <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (y1 <= 4)) && (1 <= y1)) && (0 <= y3))) || ((((((((((((0 <= x1) && ((x2 + y3) <= 2147483646)) && (y3 <= 2147483647)) && (counter == 5)) && (y1 == 1)) && (y2 == 1)) && ((x2 * y1) <= 6)) && (3 <= x2)) && (x1 <= (5 + y3))) && (x1 <= 2147483647)) && (0 <= ((2147483649 + x2) + y3))) && (0 <= y3))) || ((((((((((((0 <= x1) && (counter == 10)) && (y2 <= 10)) && (x2 <= 2147483647)) && (x1 <= (2147483643 + y3))) && (y1 == 0)) && !((x2 == 0))) && ((y2 + y3) <= 2147483647)) && (0 <= (x2 + 2147483648))) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || (((((((((((0 <= x1) && (counter == 10)) && (2 == y2)) && (x1 <= (2147483643 + y3))) && (3 <= x2)) && (((x2 * y1) + y3) <= 2147483645)) && (((x2 * y1) + x2) <= 2147483647)) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 <= 2147483647)) && (x1 <= (y3 + 1))) && (y2 == 1)) && (y1 == 0)) && !((x2 == 0))) && (0 <= (x2 + 2147483648))) && (y3 <= 2147483646)) && (counter == 1)) && (0 <= y3))) || ((((((((0 <= x1) && (2 == x2)) && (y2 == 0)) && (y1 == 1)) && (x1 <= (2 + y3))) && (y3 <= 2147483645)) && (counter == 2)) && (0 <= y3))) || ((((((((((0 <= x1) && (2 == y2)) && (x2 <= 2147483647)) && (y1 == 0)) && !((x2 == 0))) && (x1 <= (2 + y3))) && (y3 <= 2147483645)) && (0 <= (x2 + 2147483648))) && (counter == 2)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (y2 == 0)) && (y1 <= 2147483638)) && (counter == 9)) && (x1 <= 2147483647)) && ((y1 + y3) <= 2147483647)) && (x1 <= (y3 + 2147483642))) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 8)) && (3 == x2)) && (((3 * y1) + y3) <= 2147483646)) && (y2 == 1)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 3)) && (x2 <= 2147483647)) && (y1 == 0)) && (3 == y2)) && !((x2 == 0))) && (x1 <= (3 + y3))) && (0 <= (x2 + 2147483648))) && (y3 <= 2147483644)) && (0 <= y3))) || ((((((((0 <= x1) && (counter == 3)) && (y2 == 0)) && (y1 == 1)) && (3 == x2)) && (x1 <= (3 + y3))) && (y3 <= 2147483644)) && (0 <= y3))) || ((((((((((((0 <= x1) && (x1 <= (6 + y3))) && (x2 <= 2147483647)) && (y1 == 0)) && !((x2 == 0))) && (y2 <= 6)) && (counter == 6)) && ((y2 + y3) <= 2147483647)) && (0 <= (x2 + 2147483648))) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || (((((((((((0 <= x1) && (counter == 10)) && (y1 == 1)) && (x1 <= (2147483643 + y3))) && (((x2 + y2) + y3) <= 2147483647)) && (y2 <= 6)) && (3 <= x2)) && (((x2 * y1) + x2) <= 2147483647)) && (x1 <= 2147483647)) && (4 <= y2)) && (0 <= y3))) || ((((((((((0 <= x1) && (counter == 7)) && (y2 == 0)) && (3 == x2)) && (((3 * y1) + y3) <= 2147483647)) && (x1 <= (y3 + 2147483640))) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((((0 <= x1) && (y3 <= 2147483647)) && ((x2 + y3) <= 2147483645)) && (2 == y2)) && (x1 <= (6 + y3))) && (y1 == 1)) && ((x2 * y1) <= 5)) && (3 <= x2)) && (counter == 6)) && (x1 <= 2147483647)) && (0 <= ((2147483650 + x2) + y3))) && (0 <= y3))) || ((((((((((((0 <= x1) && (y3 <= 2147483647)) && ((x2 + y3) <= 2147483645)) && (counter == 8)) && (2 == y2)) && (y1 == 1)) && (((x2 * y1) + x2) <= 2147483647)) && (x1 <= (y3 + 2147483641))) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= ((2147483650 + x2) + y3))) && (0 <= y3))) || ((((((((((((0 <= x1) && (y3 <= 2147483647)) && (counter == 10)) && ((x2 + y3) <= 2147483644)) && (y1 == 1)) && (x1 <= (2147483643 + y3))) && (3 == y2)) && (((x2 * y1) + x2) <= 2147483647)) && (0 <= ((2147483651 + x2) + y3))) && (x1 <= 2147483647)) && (5 <= x2)) && (0 <= y3))) || ((((((((0 <= x1) && (counter == 4)) && (y1 == 1)) && (3 == x2)) && (x1 <= (y3 + 4))) && (y2 == 1)) && (y3 <= 2147483643)) && (0 <= y3))) RESULT: Ultimate proved your program to be correct! [2023-11-29 02:00:20,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5e7ab1-6ed3-45ce-b220-b0c27e9dcb96/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE