./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:48,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:48,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:42:48,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:48,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:48,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:48,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:48,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:48,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:48,696 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:48,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:42:48,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:42:48,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:48,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:48,702 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:48,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:48,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:42:48,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:42:48,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:48,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:42:48,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:48,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:42:48,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:42:48,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:42:48,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:42:48,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:48,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:48,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:48,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:48,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:42:48,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:42:48,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:42:48,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:48,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:42:48,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:42:48,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:48,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:42:48,714 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:42:48,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:42:48,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:42:48,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:42:48,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:42:48,716 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_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b [2023-11-26 10:42:49,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:49,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:49,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:49,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:49,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:49,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-26 10:42:52,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:52,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:52,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-26 10:42:52,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/data/54d8335cd/1d32d344f85d4fe2a9eb7031f6240d88/FLAG0d32b3a56 [2023-11-26 10:42:52,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/data/54d8335cd/1d32d344f85d4fe2a9eb7031f6240d88 [2023-11-26 10:42:52,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:52,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:52,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:52,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:52,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:52,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:52" (1/1) ... [2023-11-26 10:42:52,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3902defa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:52, skipping insertion in model container [2023-11-26 10:42:52,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:52" (1/1) ... [2023-11-26 10:42:52,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:52,878 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2023-11-26 10:42:52,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:52,987 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:53,001 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2023-11-26 10:42:53,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:53,066 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:53,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53 WrapperNode [2023-11-26 10:42:53,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:53,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:53,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:53,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:53,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,166 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-26 10:42:53,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:53,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:53,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:53,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:53,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,196 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,239 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]. [2023-11-26 10:42:53,240 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:53,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:53,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:53,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:53,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (1/1) ... [2023-11-26 10:42:53,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:42:53,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:53,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:53,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:42:53,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:42:53,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:42:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:42:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:42:53,474 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:42:53,476 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:42:53,948 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:42:54,044 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:42:54,045 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:42:54,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:54 BoogieIcfgContainer [2023-11-26 10:42:54,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:42:54,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:42:54,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:42:54,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:42:54,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:42:52" (1/3) ... [2023-11-26 10:42:54,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9fd800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:42:54, skipping insertion in model container [2023-11-26 10:42:54,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:53" (2/3) ... [2023-11-26 10:42:54,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9fd800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:42:54, skipping insertion in model container [2023-11-26 10:42:54,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:54" (3/3) ... [2023-11-26 10:42:54,055 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-26 10:42:54,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:42:54,075 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:42:54,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:42:54,145 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;@43648fb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:42:54,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:42:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 43 states have (on average 1.6046511627906976) internal successors, (69), 44 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:42:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:42:54,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:54,164 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1] [2023-11-26 10:42:54,164 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:54,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:54,169 INFO L85 PathProgramCache]: Analyzing trace with hash -668574577, now seen corresponding path program 1 times [2023-11-26 10:42:54,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:54,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661225008] [2023-11-26 10:42:54,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:54,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:54,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:54,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661225008] [2023-11-26 10:42:54,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:42:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425814089] [2023-11-26 10:42:54,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:54,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:54,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:54,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:54,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:42:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:54,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:42:54,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:54,854 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-26 10:42:54,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:42:54,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425814089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:54,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:54,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:42:54,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813251582] [2023-11-26 10:42:54,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:54,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:42:54,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:54,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:42:54,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:42:54,918 INFO L87 Difference]: Start difference. First operand has 62 states, 43 states have (on average 1.6046511627906976) internal successors, (69), 44 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-26 10:42:54,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:54,985 INFO L93 Difference]: Finished difference Result 123 states and 217 transitions. [2023-11-26 10:42:54,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:42:54,988 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2023-11-26 10:42:54,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:54,998 INFO L225 Difference]: With dead ends: 123 [2023-11-26 10:42:54,999 INFO L226 Difference]: Without dead ends: 60 [2023-11-26 10:42:55,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:42:55,007 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:55,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:42:55,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-26 10:42:55,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-26 10:42:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 42 states have internal predecessors, (64), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:42:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 96 transitions. [2023-11-26 10:42:55,054 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 96 transitions. Word has length 109 [2023-11-26 10:42:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:55,054 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 96 transitions. [2023-11-26 10:42:55,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-26 10:42:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2023-11-26 10:42:55,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:42:55,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:55,059 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1] [2023-11-26 10:42:55,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:55,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:42:55,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:55,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:55,266 INFO L85 PathProgramCache]: Analyzing trace with hash -825701421, now seen corresponding path program 1 times [2023-11-26 10:42:55,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:55,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755266092] [2023-11-26 10:42:55,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:55,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:55,336 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:42:55,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217859596] [2023-11-26 10:42:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:55,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:55,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:55,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:55,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:42:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:42:55,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:42:55,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:42:55,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:55,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755266092] [2023-11-26 10:42:55,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:42:55,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217859596] [2023-11-26 10:42:55,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217859596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:55,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:55,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:42:55,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392984249] [2023-11-26 10:42:55,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:55,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:42:55,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:55,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:42:55,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:42:55,653 INFO L87 Difference]: Start difference. First operand 60 states and 96 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:42:55,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:55,879 INFO L93 Difference]: Finished difference Result 245 states and 384 transitions. [2023-11-26 10:42:55,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:42:55,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 109 [2023-11-26 10:42:55,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:55,884 INFO L225 Difference]: With dead ends: 245 [2023-11-26 10:42:55,884 INFO L226 Difference]: Without dead ends: 186 [2023-11-26 10:42:55,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:55,887 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 202 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:55,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 403 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:42:55,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-26 10:42:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 96. [2023-11-26 10:42:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 72 states have internal predecessors, (107), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:42:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 151 transitions. [2023-11-26 10:42:55,927 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 151 transitions. Word has length 109 [2023-11-26 10:42:55,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:55,928 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 151 transitions. [2023-11-26 10:42:55,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:42:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 151 transitions. [2023-11-26 10:42:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:42:55,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:55,931 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1] [2023-11-26 10:42:55,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:56,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:56,139 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:56,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:56,139 INFO L85 PathProgramCache]: Analyzing trace with hash -567535983, now seen corresponding path program 1 times [2023-11-26 10:42:56,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:56,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595392735] [2023-11-26 10:42:56,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:56,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:56,188 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:42:56,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972908003] [2023-11-26 10:42:56,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:56,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:56,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:56,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:56,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:42:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:56,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:42:56,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 243 proven. 27 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-26 10:42:56,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-26 10:42:56,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:56,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595392735] [2023-11-26 10:42:56,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:42:56,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972908003] [2023-11-26 10:42:56,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972908003] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:42:56,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:42:56,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-26 10:42:56,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366919750] [2023-11-26 10:42:56,669 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:42:56,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:42:56,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:56,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:42:56,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:42:56,672 INFO L87 Difference]: Start difference. First operand 96 states and 151 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 10:42:56,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:56,899 INFO L93 Difference]: Finished difference Result 178 states and 274 transitions. [2023-11-26 10:42:56,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:42:56,900 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 109 [2023-11-26 10:42:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:56,902 INFO L225 Difference]: With dead ends: 178 [2023-11-26 10:42:56,902 INFO L226 Difference]: Without dead ends: 83 [2023-11-26 10:42:56,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:42:56,905 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 109 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:56,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 188 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:42:56,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-26 10:42:56,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-11-26 10:42:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 55 states have internal predecessors, (74), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:42:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 118 transitions. [2023-11-26 10:42:56,921 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 118 transitions. Word has length 109 [2023-11-26 10:42:56,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:56,922 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 118 transitions. [2023-11-26 10:42:56,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 10:42:56,923 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2023-11-26 10:42:56,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-26 10:42:56,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:56,925 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1] [2023-11-26 10:42:56,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-26 10:42:57,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:57,132 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:57,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:57,133 INFO L85 PathProgramCache]: Analyzing trace with hash 167501504, now seen corresponding path program 1 times [2023-11-26 10:42:57,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:57,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767623430] [2023-11-26 10:42:57,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:57,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:57,203 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:42:57,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [760070305] [2023-11-26 10:42:57,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:57,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:57,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:57,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:57,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:42:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:57,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:42:57,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:57,475 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-11-26 10:42:57,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-26 10:42:57,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:57,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767623430] [2023-11-26 10:42:57,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:42:57,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760070305] [2023-11-26 10:42:57,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760070305] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:42:57,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:42:57,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-26 10:42:57,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161294457] [2023-11-26 10:42:57,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:42:57,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:42:57,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:57,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:42:57,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:42:57,651 INFO L87 Difference]: Start difference. First operand 80 states and 118 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 10:42:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:57,871 INFO L93 Difference]: Finished difference Result 153 states and 223 transitions. [2023-11-26 10:42:57,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:42:57,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 110 [2023-11-26 10:42:57,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:57,875 INFO L225 Difference]: With dead ends: 153 [2023-11-26 10:42:57,876 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 10:42:57,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:42:57,878 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 168 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:57,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 169 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:42:57,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 10:42:57,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2023-11-26 10:42:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 58 states have internal predecessors, (76), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:42:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 120 transitions. [2023-11-26 10:42:57,895 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 120 transitions. Word has length 110 [2023-11-26 10:42:57,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:57,895 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 120 transitions. [2023-11-26 10:42:57,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-26 10:42:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-26 10:42:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-26 10:42:57,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:57,898 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1] [2023-11-26 10:42:57,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:58,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:58,105 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:58,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:58,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1826643202, now seen corresponding path program 1 times [2023-11-26 10:42:58,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:58,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454332056] [2023-11-26 10:42:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:58,168 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:42:58,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416455422] [2023-11-26 10:42:58,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:58,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:58,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:58,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:58,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:42:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:58,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 10:42:58,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-26 10:42:58,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:42:58,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:58,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454332056] [2023-11-26 10:42:58,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:42:58,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416455422] [2023-11-26 10:42:58,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416455422] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:58,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:42:58,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-26 10:42:58,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578741695] [2023-11-26 10:42:58,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:58,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:42:58,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:58,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:42:58,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:42:58,869 INFO L87 Difference]: Start difference. First operand 84 states and 120 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:42:58,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:58,987 INFO L93 Difference]: Finished difference Result 180 states and 260 transitions. [2023-11-26 10:42:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:42:58,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 110 [2023-11-26 10:42:58,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:58,992 INFO L225 Difference]: With dead ends: 180 [2023-11-26 10:42:58,992 INFO L226 Difference]: Without dead ends: 111 [2023-11-26 10:42:58,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:42:58,994 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 41 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:58,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 222 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:42:58,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-26 10:42:59,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2023-11-26 10:42:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 71 states have (on average 1.352112676056338) internal successors, (96), 72 states have internal predecessors, (96), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:42:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2023-11-26 10:42:59,036 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 110 [2023-11-26 10:42:59,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:59,037 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2023-11-26 10:42:59,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:42:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2023-11-26 10:42:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-26 10:42:59,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:59,044 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1] [2023-11-26 10:42:59,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:59,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:59,250 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:59,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:59,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1378480569, now seen corresponding path program 1 times [2023-11-26 10:42:59,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:59,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124596433] [2023-11-26 10:42:59,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:59,308 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:42:59,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376517228] [2023-11-26 10:42:59,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:59,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:59,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:59,314 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:59,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:42:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:42:59,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:42:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:42:59,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:42:59,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:59,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124596433] [2023-11-26 10:42:59,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:42:59,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376517228] [2023-11-26 10:42:59,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376517228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:59,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:59,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:42:59,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602060363] [2023-11-26 10:42:59,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:59,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:42:59,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:59,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:42:59,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:42:59,495 INFO L87 Difference]: Start difference. First operand 98 states and 140 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:42:59,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:59,564 INFO L93 Difference]: Finished difference Result 256 states and 370 transitions. [2023-11-26 10:42:59,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:42:59,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 111 [2023-11-26 10:42:59,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:59,567 INFO L225 Difference]: With dead ends: 256 [2023-11-26 10:42:59,567 INFO L226 Difference]: Without dead ends: 173 [2023-11-26 10:42:59,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:42:59,570 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 82 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:59,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 232 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:42:59,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-26 10:42:59,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 108. [2023-11-26 10:42:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 81 states have (on average 1.345679012345679) internal successors, (109), 82 states have internal predecessors, (109), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:42:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2023-11-26 10:42:59,599 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 111 [2023-11-26 10:42:59,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:59,600 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2023-11-26 10:42:59,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:42:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2023-11-26 10:42:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-26 10:42:59,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:59,602 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1] [2023-11-26 10:42:59,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:42:59,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:59,808 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:59,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:59,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2107140101, now seen corresponding path program 1 times [2023-11-26 10:42:59,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:59,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433046047] [2023-11-26 10:42:59,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:59,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:59,848 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:42:59,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699412782] [2023-11-26 10:42:59,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:59,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:42:59,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:59,850 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:42:59,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 10:43:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:00,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 10:43:00,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 32 proven. 84 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-26 10:43:00,926 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:43:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-26 10:43:01,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:01,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433046047] [2023-11-26 10:43:01,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:43:01,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699412782] [2023-11-26 10:43:01,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699412782] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:43:01,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:43:01,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2023-11-26 10:43:01,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909080169] [2023-11-26 10:43:01,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:43:01,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 10:43:01,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:01,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 10:43:01,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:43:01,231 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 5 states have call successors, (32) [2023-11-26 10:43:01,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:01,486 INFO L93 Difference]: Finished difference Result 221 states and 302 transitions. [2023-11-26 10:43:01,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:43:01,488 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 5 states have call successors, (32) Word has length 111 [2023-11-26 10:43:01,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:01,491 INFO L225 Difference]: With dead ends: 221 [2023-11-26 10:43:01,492 INFO L226 Difference]: Without dead ends: 128 [2023-11-26 10:43:01,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=160, Unknown=0, NotChecked=0, Total=272 [2023-11-26 10:43:01,494 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 135 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:01,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 168 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:43:01,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-26 10:43:01,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2023-11-26 10:43:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.2795698924731183) internal successors, (119), 94 states have internal predecessors, (119), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:43:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 163 transitions. [2023-11-26 10:43:01,518 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 163 transitions. Word has length 111 [2023-11-26 10:43:01,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:01,519 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 163 transitions. [2023-11-26 10:43:01,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.083333333333333) internal successors, (61), 11 states have internal predecessors, (61), 5 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (32), 3 states have call predecessors, (32), 5 states have call successors, (32) [2023-11-26 10:43:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions. [2023-11-26 10:43:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-26 10:43:01,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:01,522 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1] [2023-11-26 10:43:01,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:01,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:01,734 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:01,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:01,735 INFO L85 PathProgramCache]: Analyzing trace with hash 518792199, now seen corresponding path program 1 times [2023-11-26 10:43:01,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:01,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927533442] [2023-11-26 10:43:01,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:01,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:01,775 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:43:01,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143108135] [2023-11-26 10:43:01,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:01,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:01,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:01,779 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:01,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 10:43:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:02,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 10:43:02,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-26 10:43:02,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:43:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-26 10:43:02,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:02,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927533442] [2023-11-26 10:43:02,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:43:02,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143108135] [2023-11-26 10:43:02,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143108135] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:43:02,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:43:02,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-26 10:43:02,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423089208] [2023-11-26 10:43:02,694 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:43:02,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 10:43:02,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:02,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 10:43:02,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:43:02,696 INFO L87 Difference]: Start difference. First operand 124 states and 163 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-26 10:43:03,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:03,661 INFO L93 Difference]: Finished difference Result 452 states and 600 transitions. [2023-11-26 10:43:03,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-26 10:43:03,662 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 111 [2023-11-26 10:43:03,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:03,665 INFO L225 Difference]: With dead ends: 452 [2023-11-26 10:43:03,665 INFO L226 Difference]: Without dead ends: 351 [2023-11-26 10:43:03,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=258, Invalid=672, Unknown=0, NotChecked=0, Total=930 [2023-11-26 10:43:03,666 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 448 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:03,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 468 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 10:43:03,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-11-26 10:43:03,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 137. [2023-11-26 10:43:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 106 states have (on average 1.3018867924528301) internal successors, (138), 107 states have internal predecessors, (138), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 10:43:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 182 transitions. [2023-11-26 10:43:03,693 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 182 transitions. Word has length 111 [2023-11-26 10:43:03,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:03,693 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 182 transitions. [2023-11-26 10:43:03,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-26 10:43:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 182 transitions. [2023-11-26 10:43:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-26 10:43:03,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:03,696 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1] [2023-11-26 10:43:03,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:03,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:03,903 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:03,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash -68013815, now seen corresponding path program 1 times [2023-11-26 10:43:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175466624] [2023-11-26 10:43:03,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:03,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:03,928 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:43:03,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647578579] [2023-11-26 10:43:03,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:03,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:03,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:03,930 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:03,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 10:43:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:43:04,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:43:04,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:04,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:04,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175466624] [2023-11-26 10:43:04,117 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:43:04,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647578579] [2023-11-26 10:43:04,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647578579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:04,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:04,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:43:04,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087962428] [2023-11-26 10:43:04,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:04,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:43:04,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:04,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:43:04,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:43:04,120 INFO L87 Difference]: Start difference. First operand 137 states and 182 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:43:04,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:04,202 INFO L93 Difference]: Finished difference Result 235 states and 312 transitions. [2023-11-26 10:43:04,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:43:04,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 111 [2023-11-26 10:43:04,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:04,204 INFO L225 Difference]: With dead ends: 235 [2023-11-26 10:43:04,204 INFO L226 Difference]: Without dead ends: 121 [2023-11-26 10:43:04,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:04,206 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 122 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:04,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 151 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:04,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-26 10:43:04,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 98. [2023-11-26 10:43:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 75 states have internal predecessors, (94), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2023-11-26 10:43:04,225 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 126 transitions. Word has length 111 [2023-11-26 10:43:04,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:04,226 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 126 transitions. [2023-11-26 10:43:04,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:43:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2023-11-26 10:43:04,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-26 10:43:04,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:04,228 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:04,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:04,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:04,435 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:04,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:04,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1112383225, now seen corresponding path program 1 times [2023-11-26 10:43:04,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:04,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206343962] [2023-11-26 10:43:04,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:04,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:04,466 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:43:04,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645986840] [2023-11-26 10:43:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:04,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:04,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:04,468 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:04,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 10:43:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:43:04,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:43:04,803 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:04,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:04,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206343962] [2023-11-26 10:43:04,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:43:04,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645986840] [2023-11-26 10:43:04,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645986840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:04,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:04,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:04,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732647505] [2023-11-26 10:43:04,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:04,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:04,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:04,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:04,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:04,807 INFO L87 Difference]: Start difference. First operand 98 states and 126 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:43:04,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:04,837 INFO L93 Difference]: Finished difference Result 195 states and 251 transitions. [2023-11-26 10:43:04,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:04,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 112 [2023-11-26 10:43:04,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:04,841 INFO L225 Difference]: With dead ends: 195 [2023-11-26 10:43:04,841 INFO L226 Difference]: Without dead ends: 98 [2023-11-26 10:43:04,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:04,843 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:04,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 83 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:04,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-26 10:43:04,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-26 10:43:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 75 states have (on average 1.24) internal successors, (93), 75 states have internal predecessors, (93), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2023-11-26 10:43:04,863 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 112 [2023-11-26 10:43:04,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:04,867 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2023-11-26 10:43:04,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:43:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2023-11-26 10:43:04,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-26 10:43:04,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:04,870 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:04,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:05,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 10:43:05,076 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:05,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:05,077 INFO L85 PathProgramCache]: Analyzing trace with hash -133762064, now seen corresponding path program 1 times [2023-11-26 10:43:05,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:05,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988475542] [2023-11-26 10:43:05,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:05,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:05,105 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:43:05,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141213416] [2023-11-26 10:43:05,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:05,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:05,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:05,107 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:05,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-26 10:43:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:05,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:43:05,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-26 10:43:05,341 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:05,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:05,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988475542] [2023-11-26 10:43:05,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:43:05,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141213416] [2023-11-26 10:43:05,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141213416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:05,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:05,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:05,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052578145] [2023-11-26 10:43:05,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:05,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:43:05,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:05,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:43:05,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:05,344 INFO L87 Difference]: Start difference. First operand 98 states and 125 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:43:05,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:05,546 INFO L93 Difference]: Finished difference Result 317 states and 398 transitions. [2023-11-26 10:43:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:43:05,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 113 [2023-11-26 10:43:05,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:05,550 INFO L225 Difference]: With dead ends: 317 [2023-11-26 10:43:05,550 INFO L226 Difference]: Without dead ends: 220 [2023-11-26 10:43:05,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:43:05,551 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 221 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:05,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 207 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:43:05,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-26 10:43:05,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 116. [2023-11-26 10:43:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 92 states have internal predecessors, (113), 16 states have call successors, (16), 7 states have call predecessors, (16), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 145 transitions. [2023-11-26 10:43:05,578 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 145 transitions. Word has length 113 [2023-11-26 10:43:05,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:05,579 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 145 transitions. [2023-11-26 10:43:05,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-26 10:43:05,579 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2023-11-26 10:43:05,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-26 10:43:05,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:05,581 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:05,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:05,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-26 10:43:05,788 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:05,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:05,788 INFO L85 PathProgramCache]: Analyzing trace with hash 352517302, now seen corresponding path program 1 times [2023-11-26 10:43:05,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:05,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341313540] [2023-11-26 10:43:05,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:05,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:05,817 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:43:05,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1988404609] [2023-11-26 10:43:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:05,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:05,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:05,819 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:05,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-26 10:43:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:06,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:43:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:43:06,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:43:06,605 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:43:06,606 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:43:06,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:06,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-26 10:43:06,818 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:06,821 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:43:06,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:43:06 BoogieIcfgContainer [2023-11-26 10:43:06,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:43:06,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:06,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:06,959 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:06,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:54" (3/4) ... [2023-11-26 10:43:06,961 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:43:06,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:06,962 INFO L158 Benchmark]: Toolchain (without parser) took 14298.09ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 127.6MB in the beginning and 154.2MB in the end (delta: -26.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-26 10:43:06,962 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:06,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.31ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 110.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:43:06,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.90ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 106.1MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:43:06,963 INFO L158 Benchmark]: Boogie Preprocessor took 118.75ms. Allocated memory is still 167.8MB. Free memory was 106.1MB in the beginning and 94.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:43:06,968 INFO L158 Benchmark]: RCFGBuilder took 758.34ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 64.1MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-26 10:43:06,970 INFO L158 Benchmark]: TraceAbstraction took 12907.17ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 63.6MB in the beginning and 154.2MB in the end (delta: -90.6MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-11-26 10:43:06,970 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 201.3MB. Free memory is still 154.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:06,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 125.8MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.31ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 110.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.90ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 106.1MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.75ms. Allocated memory is still 167.8MB. Free memory was 106.1MB in the beginning and 94.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 758.34ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 64.1MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12907.17ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 63.6MB in the beginning and 154.2MB in the end (delta: -90.6MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 201.3MB. Free memory is still 154.2MB. There was no memory consumed. 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of someBinaryArithmeticFLOAToperation at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 200; [L23] unsigned short int var_1_5 = 42139; [L24] unsigned short int var_1_7 = 1; [L25] double var_1_9 = 0.1; [L26] float var_1_12 = 10000000000.5; [L27] float var_1_13 = 255.6; [L28] float var_1_14 = 128.2; [L29] signed long int var_1_15 = 500; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; [L33] signed char var_1_19 = -5; [L34] signed char var_1_20 = -1; [L35] signed char var_1_21 = 8; [L36] float var_1_22 = 3.75; [L37] signed short int var_1_23 = 10; [L38] unsigned long int var_1_24 = 8; [L39] unsigned char var_1_25 = 5; [L40] unsigned char var_1_26 = 50; [L41] float var_1_27 = 4.5; [L42] unsigned short int var_1_28 = 5; [L43] unsigned long int var_1_29 = 50; [L44] double var_1_30 = 3.5; [L45] unsigned char var_1_31 = 1; [L46] float last_1_var_1_12 = 10000000000.5; [L47] signed short int last_1_var_1_23 = 10; [L48] unsigned long int last_1_var_1_24 = 8; [L49] unsigned char last_1_var_1_25 = 5; [L50] unsigned long int last_1_var_1_29 = 50; [L51] unsigned char last_1_var_1_31 = 1; [L183] isInitial = 1 [L184] FCALL initially() [L185] int k_loop; [L186] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=42139, var_1_7=1, var_1_9=1/10] [L186] COND TRUE k_loop < 1 [L187] CALL updateLastVariables() [L171] last_1_var_1_12 = var_1_12 [L172] last_1_var_1_23 = var_1_23 [L173] last_1_var_1_24 = var_1_24 [L174] last_1_var_1_25 = var_1_25 [L175] last_1_var_1_29 = var_1_29 [L176] last_1_var_1_31 = var_1_31 [L187] RET updateLastVariables() [L188] CALL updateVariables() [L144] var_1_5 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_5 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L145] RET assume_abort_if_not(var_1_5 >= 32767) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L146] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L146] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1, var_1_9=1/10] [L147] var_1_9 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L148] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L149] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L149] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_13=1278/5, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L151] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_14=641/5, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L152] var_1_14 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L153] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=0, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L154] var_1_17 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L155] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L156] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L156] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L157] var_1_18 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L158] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L159] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L159] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=-1, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L160] var_1_20 = __VERIFIER_nondet_char() [L161] CALL assume_abort_if_not(var_1_20 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L161] RET assume_abort_if_not(var_1_20 >= -127) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L162] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L162] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=8, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L163] var_1_21 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L164] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L165] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L165] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=50, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L166] var_1_26 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L167] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L168] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L168] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L188] RET updateVariables() [L189] CALL step() [L55] unsigned short int stepLocal_1 = var_1_5; [L56] unsigned long int stepLocal_0 = (last_1_var_1_25 + last_1_var_1_23) + (last_1_var_1_29 / var_1_5); VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=1] [L57] COND FALSE !((last_1_var_1_12 / var_1_9) != last_1_var_1_12) [L76] var_1_7 = var_1_5 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L78] COND FALSE !(\read(var_1_18)) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L81] COND TRUE \read(var_1_17) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L82] COND FALSE !(((((var_1_29) > (var_1_5)) ? (var_1_29) : (var_1_5))) < ((((4) < 0 ) ? -(4) : (4)))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=-5, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=7/2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L86] var_1_19 = ((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) [L87] var_1_30 = var_1_14 [L88] var_1_31 = var_1_17 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L89] COND FALSE !(var_1_13 != 4.5f) [L96] var_1_16 = (var_1_18 || (! var_1_17)) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=15/4, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L98] COND TRUE var_1_16 || var_1_17 [L99] var_1_22 = ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=5, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L101] COND TRUE \read(var_1_31) [L102] var_1_25 = (4 + 8) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=5, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L106] COND TRUE var_1_13 != var_1_22 [L107] var_1_28 = var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=200, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L111] COND FALSE !(\read(var_1_16)) [L114] var_1_1 = (((((var_1_5 - var_1_25)) < ((var_1_25 + (256 + 1)))) ? ((var_1_5 - var_1_25)) : ((var_1_25 + (256 + 1))))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L116] unsigned short int stepLocal_3 = var_1_5; VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L117] COND TRUE stepLocal_3 >= ((((var_1_25) < (var_1_7)) ? (var_1_25) : (var_1_7))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=500, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L118] COND TRUE ! var_1_16 [L119] var_1_15 = var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=8, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L122] COND FALSE !(var_1_16 || var_1_18) [L125] var_1_24 = ((((2u) > (100u)) ? (2u) : (100u))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L127] signed long int stepLocal_2 = ((((-64) < (var_1_28)) ? (-64) : (var_1_28))) + (var_1_25 << 1); VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=20000000001/2, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L128] COND TRUE stepLocal_2 < var_1_7 [L129] var_1_12 = (((((var_1_13 - 128.9f)) < (var_1_14)) ? ((var_1_13 - 128.9f)) : (var_1_14))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L131] COND TRUE var_1_1 != var_1_25 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L132] COND TRUE var_1_23 >= -128 VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=254, var_1_27=9/2, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L133] COND FALSE !(var_1_30 != ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L136] var_1_27 = ((((0.8f) > (var_1_13)) ? (0.8f) : (var_1_13))) VAL [isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, stepLocal_0=15, stepLocal_1=32767, stepLocal_2=-40, stepLocal_3=32767, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=254, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L189] RET step() [L190] CALL, EXPR property() [L179-L180] return ((((((((((((((var_1_16 ? (var_1_1 == ((unsigned short int) (((((var_1_25 + var_1_25)) < ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))) ? ((var_1_25 + var_1_25)) : ((var_1_5 - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25))))))))) : (var_1_1 == ((unsigned short int) (((((var_1_5 - var_1_25)) < ((var_1_25 + (256 + 1)))) ? ((var_1_5 - var_1_25)) : ((var_1_25 + (256 + 1)))))))) && (((last_1_var_1_12 / var_1_9) != last_1_var_1_12) ? ((var_1_9 >= last_1_var_1_12) ? (var_1_7 == ((unsigned short int) last_1_var_1_25)) : ((var_1_5 <= last_1_var_1_25) ? ((last_1_var_1_25 < ((last_1_var_1_25 + last_1_var_1_23) + (last_1_var_1_29 / var_1_5))) ? (last_1_var_1_31 ? (var_1_7 == ((unsigned short int) 5)) : (var_1_7 == ((unsigned short int) last_1_var_1_25))) : (var_1_7 == ((unsigned short int) last_1_var_1_25))) : (var_1_7 == ((unsigned short int) last_1_var_1_25)))) : (var_1_7 == ((unsigned short int) var_1_5)))) && (((((((-64) < (var_1_28)) ? (-64) : (var_1_28))) + (var_1_25 << 1)) < var_1_7) ? (var_1_12 == ((float) (((((var_1_13 - 128.9f)) < (var_1_14)) ? ((var_1_13 - 128.9f)) : (var_1_14))))) : 1)) && ((var_1_5 >= ((((var_1_25) < (var_1_7)) ? (var_1_25) : (var_1_7)))) ? ((! var_1_16) ? (var_1_15 == ((signed long int) var_1_25)) : 1) : 1)) && ((var_1_13 != 4.5f) ? (var_1_31 ? (var_1_16 == ((unsigned char) var_1_17)) : (var_1_16 == ((unsigned char) (! 0)))) : (var_1_16 == ((unsigned char) (var_1_18 || (! var_1_17)))))) && (var_1_19 == ((signed char) ((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21)))))) && ((var_1_16 || var_1_17) ? (var_1_22 == ((float) ((((var_1_14) > (var_1_13)) ? (var_1_14) : (var_1_13))))) : 1)) && (var_1_17 ? ((((((var_1_29) > (var_1_5)) ? (var_1_29) : (var_1_5))) < ((((4) < 0 ) ? -(4) : (4)))) ? (var_1_23 == ((signed short int) var_1_20)) : 1) : 1)) && ((var_1_16 || var_1_18) ? (var_1_24 == ((unsigned long int) ((((last_1_var_1_24) > (var_1_25)) ? (last_1_var_1_24) : (var_1_25))))) : (var_1_24 == ((unsigned long int) ((((2u) > (100u)) ? (2u) : (100u))))))) && (var_1_31 ? (var_1_25 == ((unsigned char) (4 + 8))) : (var_1_25 == ((unsigned char) ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) && ((var_1_1 != var_1_25) ? ((var_1_23 >= -128) ? ((var_1_30 != ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) ? (var_1_27 == ((float) (var_1_13 - (99999.4f + 9.999999999125E9f)))) : (var_1_27 == ((float) ((((0.8f) > (var_1_13)) ? (0.8f) : (var_1_13)))))) : 1) : (var_1_27 == ((float) var_1_14)))) && ((var_1_13 != var_1_22) ? (var_1_28 == ((unsigned short int) var_1_25)) : (var_1_28 == ((unsigned short int) (var_1_5 - 10))))) && (var_1_18 ? (var_1_29 == ((unsigned long int) (((((var_1_7 + 100000000u)) > (var_1_26)) ? ((var_1_7 + 100000000u)) : (var_1_26))))) : 1)) && (var_1_30 == ((double) var_1_14))) && (var_1_31 == ((unsigned char) var_1_17)) ; [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=254, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=20000000001/2, last_1_var_1_23=10, last_1_var_1_24=8, last_1_var_1_25=5, last_1_var_1_29=50, last_1_var_1_31=1, var_1_12=3, var_1_13=0, var_1_14=2, var_1_15=12, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=11, var_1_1=269, var_1_20=11, var_1_21=11, var_1_22=2, var_1_23=10, var_1_24=100, var_1_25=12, var_1_26=254, var_1_27=4/5, var_1_28=12, var_1_29=50, var_1_30=2, var_1_31=1, var_1_5=32767, var_1_7=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 12, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1569 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1553 mSDsluCounter, 2384 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1306 mSDsCounter, 260 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1095 IncrementalHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 260 mSolverCounterUnsat, 1078 mSDtfsCounter, 1095 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1795 GetRequests, 1710 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=8, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 520 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1438 NumberOfCodeBlocks, 1438 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1751 ConstructedInterpolants, 0 QuantifiedInterpolants, 5473 SizeOfPredicates, 23 NumberOfNonLiveVariables, 3454 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 7326/7680 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 10:43:07,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:09,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:09,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:43:09,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:09,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:09,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:09,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:09,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:09,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:09,761 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:09,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:09,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:09,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:09,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:09,764 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:09,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:09,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:09,765 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:43:09,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:43:09,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:09,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:09,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:09,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:09,772 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:43:09,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:43:09,777 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:43:09,778 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:43:09,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:09,779 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:09,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:09,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:09,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:43:09,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:09,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:09,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:09,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:09,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:09,783 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:43:09,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:43:09,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:09,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:09,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:09,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:09,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:09,786 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:43:09,786 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_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7afbbb4b2e6924bc13d55806a21ab7f087433beabc76695e33c51517c3d4e0b [2023-11-26 10:43:10,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:10,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:10,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:10,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:10,200 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:10,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-26 10:43:13,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:13,750 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:13,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-26 10:43:13,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/data/4eae83c6f/1770432605654f09ba9b9a31b77959bf/FLAG7c6e1047d [2023-11-26 10:43:13,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/data/4eae83c6f/1770432605654f09ba9b9a31b77959bf [2023-11-26 10:43:13,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:13,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:13,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:13,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:13,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:13,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:13" (1/1) ... [2023-11-26 10:43:13,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9a3ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:13, skipping insertion in model container [2023-11-26 10:43:13,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:13" (1/1) ... [2023-11-26 10:43:13,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:14,107 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2023-11-26 10:43:14,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:14,270 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:14,286 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-38.i[916,929] [2023-11-26 10:43:14,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:14,384 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:14,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14 WrapperNode [2023-11-26 10:43:14,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:14,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:14,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:14,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:14,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,476 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-26 10:43:14,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:14,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:14,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:14,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:14,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,509 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,545 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]. [2023-11-26 10:43:14,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:14,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:14,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:14,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:14,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (1/1) ... [2023-11-26 10:43:14,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:14,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:14,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:14,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:43:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:43:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:43:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:14,890 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:14,892 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:29,730 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:29,782 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:29,783 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:43:29,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:29 BoogieIcfgContainer [2023-11-26 10:43:29,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:29,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:29,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:29,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:29,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:13" (1/3) ... [2023-11-26 10:43:29,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51de4993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:29, skipping insertion in model container [2023-11-26 10:43:29,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:14" (2/3) ... [2023-11-26 10:43:29,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51de4993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:29, skipping insertion in model container [2023-11-26 10:43:29,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:29" (3/3) ... [2023-11-26 10:43:29,802 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-38.i [2023-11-26 10:43:29,823 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:29,824 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:43:29,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:29,900 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;@3aa62adb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:29,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:43:29,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 43 states have (on average 1.6046511627906976) internal successors, (69), 44 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:29,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:43:29,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:29,926 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1] [2023-11-26 10:43:29,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:29,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:29,934 INFO L85 PathProgramCache]: Analyzing trace with hash -668574577, now seen corresponding path program 1 times [2023-11-26 10:43:29,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:43:29,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783154410] [2023-11-26 10:43:29,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:29,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:43:29,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:43:29,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:43:30,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 10:43:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:31,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:43:31,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-26 10:43:31,526 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:31,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:43:31,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783154410] [2023-11-26 10:43:31,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783154410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:31,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:31,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:31,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365603072] [2023-11-26 10:43:31,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:31,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:43:31,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:43:31,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:43:31,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:31,585 INFO L87 Difference]: Start difference. First operand has 62 states, 43 states have (on average 1.6046511627906976) internal successors, (69), 44 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-26 10:43:37,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:43:37,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:37,848 INFO L93 Difference]: Finished difference Result 123 states and 217 transitions. [2023-11-26 10:43:37,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:43:37,851 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2023-11-26 10:43:37,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:37,861 INFO L225 Difference]: With dead ends: 123 [2023-11-26 10:43:37,862 INFO L226 Difference]: Without dead ends: 60 [2023-11-26 10:43:37,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:37,870 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:37,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2023-11-26 10:43:37,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-26 10:43:37,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-26 10:43:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 42 states have (on average 1.5238095238095237) internal successors, (64), 42 states have internal predecessors, (64), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 96 transitions. [2023-11-26 10:43:37,929 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 96 transitions. Word has length 109 [2023-11-26 10:43:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:37,931 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 96 transitions. [2023-11-26 10:43:37,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-26 10:43:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2023-11-26 10:43:37,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-26 10:43:37,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:37,938 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1] [2023-11-26 10:43:37,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:38,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:43:38,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:43:38,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:38,146 INFO L85 PathProgramCache]: Analyzing trace with hash -825701421, now seen corresponding path program 1 times [2023-11-26 10:43:38,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:43:38,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1011600625] [2023-11-26 10:43:38,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:38,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:43:38,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:43:38,201 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:43:38,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92800efd-e18e-4c68-9dd6-dc1e9b9ee46c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:43:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:39,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:43:39,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 249 proven. 18 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-11-26 10:43:40,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:43:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-26 10:43:41,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:43:41,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1011600625] [2023-11-26 10:43:41,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1011600625] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:43:41,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:43:41,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-26 10:43:41,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417981269] [2023-11-26 10:43:41,505 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:43:41,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:43:41,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:43:41,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:43:41,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:43:41,513 INFO L87 Difference]: Start difference. First operand 60 states and 96 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)