./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 1ddb35e71f8e18cdd0992b52a315893b49188682f163cce9af036fd922ec6944 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:58,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:58,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:58:58,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:58,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:58,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:58,227 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:58,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:58,228 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:58:58,229 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:58:58,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:58:58,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:58:58,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:58,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:58,233 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:58,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:58,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:58:58,234 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:58,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:58,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:58,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:58,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:58:58,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:58:58,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:58:58,238 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:58,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:58,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:58,239 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:58,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:58,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:58:58,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:58:58,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:58,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:58,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:58:58,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:58:58,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:58,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:58:58,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:58:58,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:58:58,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:58:58,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:58:58,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:58:58,270 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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ddb35e71f8e18cdd0992b52a315893b49188682f163cce9af036fd922ec6944 [2023-11-26 11:58:58,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:58,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:58,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:58,616 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:58,616 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:58,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-11-26 11:59:01,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:02,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:02,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-11-26 11:59:02,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/data/cfeef204d/560ef508669d4f858fdbc7c009b14efa/FLAGb932a514c [2023-11-26 11:59:02,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/data/cfeef204d/560ef508669d4f858fdbc7c009b14efa [2023-11-26 11:59:02,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:02,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:02,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:02,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:02,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:02,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b453ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02, skipping insertion in model container [2023-11-26 11:59:02,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:02,245 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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i[919,932] [2023-11-26 11:59:02,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:02,336 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:02,346 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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i[919,932] [2023-11-26 11:59:02,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:02,407 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:02,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02 WrapperNode [2023-11-26 11:59:02,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:02,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:02,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:02,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:02,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,501 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-26 11:59:02,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:02,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:02,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:02,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:02,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,548 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 11:59:02,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:02,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:02,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:02,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:02,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (1/1) ... [2023-11-26 11:59:02,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:02,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:02,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:02,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:59:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:59:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:59:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:02,889 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:02,891 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:03,402 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:03,448 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:03,453 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:03,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:03 BoogieIcfgContainer [2023-11-26 11:59:03,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:03,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:03,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:03,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:03,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:02" (1/3) ... [2023-11-26 11:59:03,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7efdb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:03, skipping insertion in model container [2023-11-26 11:59:03,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:02" (2/3) ... [2023-11-26 11:59:03,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c7efdb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:03, skipping insertion in model container [2023-11-26 11:59:03,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:03" (3/3) ... [2023-11-26 11:59:03,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-11-26 11:59:03,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:03,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:59:03,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:03,562 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;@6ab68735, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:03,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:59:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 53 states have (on average 1.528301886792453) internal successors, (81), 54 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:59:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 11:59:03,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:03,590 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:03,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:03,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:03,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1968178753, now seen corresponding path program 1 times [2023-11-26 11:59:03,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:03,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156024814] [2023-11-26 11:59:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:03,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:03,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:03,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156024814] [2023-11-26 11:59:03,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 11:59:03,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507836429] [2023-11-26 11:59:03,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:03,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:03,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:03,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:03,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:59:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:04,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:59:04,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-26 11:59:04,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:04,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507836429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:04,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:04,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:04,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390835297] [2023-11-26 11:59:04,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:04,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:59:04,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:04,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:59:04,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:04,254 INFO L87 Difference]: Start difference. First operand has 82 states, 53 states have (on average 1.528301886792453) internal successors, (81), 54 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:59:04,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:04,306 INFO L93 Difference]: Finished difference Result 161 states and 290 transitions. [2023-11-26 11:59:04,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:59:04,309 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 167 [2023-11-26 11:59:04,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:04,342 INFO L225 Difference]: With dead ends: 161 [2023-11-26 11:59:04,343 INFO L226 Difference]: Without dead ends: 80 [2023-11-26 11:59:04,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 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 11:59:04,353 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:04,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:59:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-26 11:59:04,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-26 11:59:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 52 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:59:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-11-26 11:59:04,403 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 167 [2023-11-26 11:59:04,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:04,404 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-11-26 11:59:04,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:59:04,405 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-26 11:59:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-26 11:59:04,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:04,411 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:04,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:04,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:04,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:04,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:04,621 INFO L85 PathProgramCache]: Analyzing trace with hash 351446091, now seen corresponding path program 1 times [2023-11-26 11:59:04,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:04,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250093617] [2023-11-26 11:59:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:04,689 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:04,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1304634954] [2023-11-26 11:59:04,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:04,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:04,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:04,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:04,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:59:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:04,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:59:04,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:59:05,277 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:05,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:05,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250093617] [2023-11-26 11:59:05,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:05,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304634954] [2023-11-26 11:59:05,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304634954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:05,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:05,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:05,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22647459] [2023-11-26 11:59:05,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:05,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:05,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:05,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:05,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:59:05,288 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:05,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:05,405 INFO L93 Difference]: Finished difference Result 238 states and 376 transitions. [2023-11-26 11:59:05,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:05,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2023-11-26 11:59:05,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:05,411 INFO L225 Difference]: With dead ends: 238 [2023-11-26 11:59:05,413 INFO L226 Difference]: Without dead ends: 159 [2023-11-26 11:59:05,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 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 11:59:05,419 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:05,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 246 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:59:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-26 11:59:05,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2023-11-26 11:59:05,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.4) internal successors, (140), 100 states have internal predecessors, (140), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-26 11:59:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 244 transitions. [2023-11-26 11:59:05,484 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 244 transitions. Word has length 167 [2023-11-26 11:59:05,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:05,489 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 244 transitions. [2023-11-26 11:59:05,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 244 transitions. [2023-11-26 11:59:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-26 11:59:05,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:05,497 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:05,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:05,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:05,705 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:05,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:05,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1764763678, now seen corresponding path program 1 times [2023-11-26 11:59:05,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:05,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409281355] [2023-11-26 11:59:05,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:05,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:05,755 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:05,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1366951592] [2023-11-26 11:59:05,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:05,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:05,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:05,757 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:05,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 11:59:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:05,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:59:05,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 788 proven. 90 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2023-11-26 11:59:06,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 117 proven. 99 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2023-11-26 11:59:07,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:07,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409281355] [2023-11-26 11:59:07,586 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:07,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366951592] [2023-11-26 11:59:07,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366951592] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:59:07,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 11:59:07,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2023-11-26 11:59:07,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298776012] [2023-11-26 11:59:07,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 11:59:07,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-26 11:59:07,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:07,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-26 11:59:07,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-11-26 11:59:07,593 INFO L87 Difference]: Start difference. First operand 155 states and 244 transitions. Second operand has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 4 states have call successors, (39), 4 states have call predecessors, (39), 10 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-26 11:59:09,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:09,093 INFO L93 Difference]: Finished difference Result 467 states and 698 transitions. [2023-11-26 11:59:09,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-26 11:59:09,094 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 4 states have call successors, (39), 4 states have call predecessors, (39), 10 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 168 [2023-11-26 11:59:09,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:09,099 INFO L225 Difference]: With dead ends: 467 [2023-11-26 11:59:09,099 INFO L226 Difference]: Without dead ends: 313 [2023-11-26 11:59:09,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 320 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=674, Invalid=1776, Unknown=0, NotChecked=0, Total=2450 [2023-11-26 11:59:09,103 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 506 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:09,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 483 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-26 11:59:09,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-26 11:59:09,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 286. [2023-11-26 11:59:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 183 states have (on average 1.3005464480874316) internal successors, (238), 184 states have internal predecessors, (238), 90 states have call successors, (90), 12 states have call predecessors, (90), 12 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-26 11:59:09,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 418 transitions. [2023-11-26 11:59:09,166 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 418 transitions. Word has length 168 [2023-11-26 11:59:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:09,167 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 418 transitions. [2023-11-26 11:59:09,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.736842105263158) internal successors, (71), 19 states have internal predecessors, (71), 4 states have call successors, (39), 4 states have call predecessors, (39), 10 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2023-11-26 11:59:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 418 transitions. [2023-11-26 11:59:09,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-26 11:59:09,170 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:09,170 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:09,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:09,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-26 11:59:09,377 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:09,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:09,378 INFO L85 PathProgramCache]: Analyzing trace with hash 551823577, now seen corresponding path program 1 times [2023-11-26 11:59:09,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:09,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92098933] [2023-11-26 11:59:09,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:09,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:09,442 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:09,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227806324] [2023-11-26 11:59:09,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:09,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:09,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:09,444 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:09,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 11:59:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:10,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:59:10,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:59:10,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:10,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:10,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92098933] [2023-11-26 11:59:10,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:10,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227806324] [2023-11-26 11:59:10,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227806324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:10,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:10,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:59:10,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753472364] [2023-11-26 11:59:10,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:10,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:59:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:10,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:10,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:10,112 INFO L87 Difference]: Start difference. First operand 286 states and 418 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:10,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:10,304 INFO L93 Difference]: Finished difference Result 605 states and 878 transitions. [2023-11-26 11:59:10,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:59:10,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2023-11-26 11:59:10,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:10,311 INFO L225 Difference]: With dead ends: 605 [2023-11-26 11:59:10,311 INFO L226 Difference]: Without dead ends: 340 [2023-11-26 11:59:10,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:10,315 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 123 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:10,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 353 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:59:10,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-11-26 11:59:10,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 237. [2023-11-26 11:59:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 146 states have (on average 1.2602739726027397) internal successors, (184), 147 states have internal predecessors, (184), 78 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-26 11:59:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 340 transitions. [2023-11-26 11:59:10,405 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 340 transitions. Word has length 168 [2023-11-26 11:59:10,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:10,406 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 340 transitions. [2023-11-26 11:59:10,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 340 transitions. [2023-11-26 11:59:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-26 11:59:10,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:10,409 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:10,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:10,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:10,617 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:10,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:10,617 INFO L85 PathProgramCache]: Analyzing trace with hash 293658139, now seen corresponding path program 1 times [2023-11-26 11:59:10,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:10,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135178502] [2023-11-26 11:59:10,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:10,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:10,679 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:10,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578982355] [2023-11-26 11:59:10,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:10,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:10,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:10,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:10,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 11:59:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:11,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:59:11,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:59:11,347 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:11,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:11,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135178502] [2023-11-26 11:59:11,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:11,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578982355] [2023-11-26 11:59:11,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578982355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:11,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:11,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:59:11,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657229209] [2023-11-26 11:59:11,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:11,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:59:11,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:11,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:11,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:11,351 INFO L87 Difference]: Start difference. First operand 237 states and 340 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:11,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:11,502 INFO L93 Difference]: Finished difference Result 432 states and 624 transitions. [2023-11-26 11:59:11,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:59:11,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2023-11-26 11:59:11,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:11,506 INFO L225 Difference]: With dead ends: 432 [2023-11-26 11:59:11,506 INFO L226 Difference]: Without dead ends: 252 [2023-11-26 11:59:11,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:11,507 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 121 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:11,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 353 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:59:11,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-26 11:59:11,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 235. [2023-11-26 11:59:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 144 states have (on average 1.25) internal successors, (180), 145 states have internal predecessors, (180), 78 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-26 11:59:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 336 transitions. [2023-11-26 11:59:11,560 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 336 transitions. Word has length 168 [2023-11-26 11:59:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:11,561 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 336 transitions. [2023-11-26 11:59:11,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 336 transitions. [2023-11-26 11:59:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-26 11:59:11,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:11,564 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:11,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:11,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:11,781 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:11,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash -336306281, now seen corresponding path program 1 times [2023-11-26 11:59:11,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:11,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802317095] [2023-11-26 11:59:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:11,825 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:11,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875401711] [2023-11-26 11:59:11,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:11,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:11,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:11,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:11,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 11:59:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:12,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:59:12,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:59:13,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:13,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:13,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802317095] [2023-11-26 11:59:13,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:13,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875401711] [2023-11-26 11:59:13,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875401711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:13,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:13,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:59:13,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260023208] [2023-11-26 11:59:13,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:13,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:59:13,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:13,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:13,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:13,093 INFO L87 Difference]: Start difference. First operand 235 states and 336 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:13,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:13,393 INFO L93 Difference]: Finished difference Result 434 states and 626 transitions. [2023-11-26 11:59:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:59:13,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2023-11-26 11:59:13,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:13,396 INFO L225 Difference]: With dead ends: 434 [2023-11-26 11:59:13,397 INFO L226 Difference]: Without dead ends: 256 [2023-11-26 11:59:13,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:13,399 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 25 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:13,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 269 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:59:13,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-26 11:59:13,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 242. [2023-11-26 11:59:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 151 states have (on average 1.2516556291390728) internal successors, (189), 151 states have internal predecessors, (189), 78 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-26 11:59:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 345 transitions. [2023-11-26 11:59:13,447 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 345 transitions. Word has length 169 [2023-11-26 11:59:13,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:13,448 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 345 transitions. [2023-11-26 11:59:13,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:13,448 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2023-11-26 11:59:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-26 11:59:13,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:13,451 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:13,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:13,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:13,659 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:13,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:13,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1352637461, now seen corresponding path program 1 times [2023-11-26 11:59:13,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:13,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035911449] [2023-11-26 11:59:13,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:13,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:13,692 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:13,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [257794695] [2023-11-26 11:59:13,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:13,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:13,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:13,694 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:13,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 11:59:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:15,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-26 11:59:15,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-26 11:59:16,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:16,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:16,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035911449] [2023-11-26 11:59:16,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:59:16,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257794695] [2023-11-26 11:59:16,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257794695] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:59:16,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:59:16,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-26 11:59:16,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284423959] [2023-11-26 11:59:16,305 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-26 11:59:16,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 11:59:16,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:16,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:59:16,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:59:16,308 INFO L87 Difference]: Start difference. First operand 242 states and 345 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-26 11:59:16,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:16,770 INFO L93 Difference]: Finished difference Result 448 states and 632 transitions. [2023-11-26 11:59:16,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-26 11:59:16,771 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 169 [2023-11-26 11:59:16,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:16,776 INFO L225 Difference]: With dead ends: 448 [2023-11-26 11:59:16,776 INFO L226 Difference]: Without dead ends: 269 [2023-11-26 11:59:16,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-11-26 11:59:16,781 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 62 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:16,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 361 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:59:16,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-11-26 11:59:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 253. [2023-11-26 11:59:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 159 states have (on average 1.2327044025157232) internal successors, (196), 159 states have internal predecessors, (196), 78 states have call successors, (78), 15 states have call predecessors, (78), 15 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-26 11:59:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 352 transitions. [2023-11-26 11:59:16,817 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 352 transitions. Word has length 169 [2023-11-26 11:59:16,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:16,821 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 352 transitions. [2023-11-26 11:59:16,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-26 11:59:16,821 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 352 transitions. [2023-11-26 11:59:16,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-26 11:59:16,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:16,825 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:16,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:17,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:17,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:17,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:17,045 INFO L85 PathProgramCache]: Analyzing trace with hash -456028323, now seen corresponding path program 1 times [2023-11-26 11:59:17,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:17,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206959899] [2023-11-26 11:59:17,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:17,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:17,071 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:59:17,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401570150] [2023-11-26 11:59:17,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:17,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:17,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:17,073 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:59:17,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 11:59:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:18,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:19,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:19,311 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:59:19,312 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:59:19,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:19,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:59:19,524 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:19,527 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:59:19,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:59:19,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated [2023-11-26 11:59:19,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:59:19 BoogieIcfgContainer [2023-11-26 11:59:19,674 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:59:19,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:19,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:19,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:19,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:03" (3/4) ... [2023-11-26 11:59:19,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:59:19,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:19,681 INFO L158 Benchmark]: Toolchain (without parser) took 17648.81ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 143.1MB in the beginning and 120.8MB in the end (delta: 22.3MB). Peak memory consumption was 99.5MB. Max. memory is 16.1GB. [2023-11-26 11:59:19,681 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 98.3MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:19,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.48ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 133.0MB in the end (delta: 9.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-26 11:59:19,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.76ms. Allocated memory is still 174.1MB. Free memory was 132.5MB in the beginning and 128.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:59:19,682 INFO L158 Benchmark]: Boogie Preprocessor took 112.02ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 124.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:59:19,684 INFO L158 Benchmark]: RCFGBuilder took 833.93ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 119.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:59:19,684 INFO L158 Benchmark]: TraceAbstraction took 16217.94ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 118.7MB in the beginning and 121.9MB in the end (delta: -3.2MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2023-11-26 11:59:19,685 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 251.7MB. Free memory was 121.9MB in the beginning and 120.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:19,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 98.3MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.48ms. Allocated memory is still 174.1MB. Free memory was 142.9MB in the beginning and 133.0MB in the end (delta: 9.8MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.76ms. Allocated memory is still 174.1MB. Free memory was 132.5MB in the beginning and 128.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.02ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 124.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 833.93ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 119.9MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 16217.94ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 118.7MB in the beginning and 121.9MB in the end (delta: -3.2MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 251.7MB. Free memory was 121.9MB in the beginning and 120.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 someBinaryFLOATComparisonOperation at line 177, overapproximation of shiftRight at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 116. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] signed short int var_1_10 = -50; [L31] unsigned long int var_1_11 = 8; [L32] unsigned char var_1_12 = 32; [L33] float var_1_13 = 15.625; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 1; [L37] unsigned char var_1_17 = 1; [L38] unsigned char var_1_19 = 0; [L39] unsigned char var_1_20 = 8; [L40] unsigned short int var_1_21 = 16; [L41] unsigned short int var_1_22 = 128; [L42] signed short int var_1_23 = 128; [L43] unsigned short int var_1_25 = 32; [L44] unsigned char var_1_29 = 1; [L45] unsigned long int var_1_31 = 0; [L46] unsigned char var_1_32 = 1; [L47] unsigned short int var_1_33 = 1000; [L48] signed char var_1_38 = 25; [L49] unsigned short int var_1_39 = 200; [L50] unsigned char var_1_43 = 10; [L51] unsigned char var_1_47 = 0; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] FCALL updateLastVariables() [L185] CALL updateVariables() [L133] var_1_2 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L134] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L135] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L135] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L136] var_1_3 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L137] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L138] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L138] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L139] var_1_4 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L140] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L141] var_1_5 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L142] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L143] var_1_6 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L144] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L145] var_1_7 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L146] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_ulong() [L148] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L148] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L149] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L151] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L152] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L154] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L156] var_1_16 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L157] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L158] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L158] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L159] var_1_17 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L160] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L161] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L161] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L162] var_1_19 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L163] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L164] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L164] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L165] var_1_33 = __VERIFIER_nondet_ushort() [L166] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L166] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L167] CALL assume_abort_if_not(var_1_33 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L167] RET assume_abort_if_not(var_1_33 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_33 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L168] RET assume_abort_if_not(var_1_33 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L169] var_1_39 = __VERIFIER_nondet_ushort() [L170] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L170] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L171] CALL assume_abort_if_not(var_1_39 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L171] RET assume_abort_if_not(var_1_39 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L172] CALL assume_abort_if_not(var_1_39 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L172] RET assume_abort_if_not(var_1_39 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] var_1_23 = var_1_12 VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L56] COND FALSE !(var_1_11 < var_1_12) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L61] var_1_29 = var_1_19 VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L62] COND TRUE var_1_11 >= var_1_11 [L63] var_1_31 = ((((var_1_11) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_11) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L65] COND TRUE var_1_20 < (~ (var_1_11 / var_1_33)) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L66] COND TRUE \read(var_1_17) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=1, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L67] COND TRUE (var_1_13 * var_1_6) == var_1_5 [L68] var_1_32 = var_1_19 VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L80] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L85] COND TRUE ((((var_1_11) < (var_1_33)) ? (var_1_11) : (var_1_33))) < (var_1_39 + var_1_12) [L86] var_1_43 = ((((var_1_11) < ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) ? (var_1_11) : ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=0, var_1_8=1] [L88] var_1_47 = var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L89] COND TRUE var_1_6 == (var_1_4 / var_1_13) [L90] var_1_12 = var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L92] var_1_20 = var_1_11 [L93] var_1_21 = 8 VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=33, var_1_21=8, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L94] EXPR 2u >> var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=33, var_1_21=8, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L94] COND TRUE (var_1_21 + var_1_12) > (2u >> var_1_11) [L95] COND TRUE var_1_12 != var_1_21 [L96] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=33, var_1_21=8, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L101] COND FALSE !(! var_1_2) VAL [isInitial=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=33, var_1_21=8, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L112] unsigned char stepLocal_1 = var_1_14; [L113] unsigned char stepLocal_0 = var_1_14; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=33, var_1_21=8, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L114] COND TRUE var_1_14 || stepLocal_0 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=33, var_1_21=8, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L115] COND TRUE stepLocal_1 || var_1_14 [L116] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=33, var_1_21=8, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=1] [L123] COND FALSE !(var_1_6 > (- var_1_7)) [L128] var_1_8 = var_1_20 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=33, var_1_21=8, var_1_22=128, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=33] [L130] var_1_22 = var_1_8 [L186] RET step() [L187] CALL, EXPR property() [L177] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) VAL [isInitial=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=33, var_1_21=8, var_1_22=33, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=33] [L177-L178] return ((((((((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_8)) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=33, var_1_21=8, var_1_22=33, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=33] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=33, var_1_11=33, var_1_12=33, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=33, var_1_21=8, var_1_22=33, var_1_23=32, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=33, var_1_32=0, var_1_33=33, var_1_38=25, var_1_39=2, var_1_3=1, var_1_43=33, var_1_47=33, var_1_8=33] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 8, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 894 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 873 mSDsluCounter, 2187 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1215 mSDsCounter, 329 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1105 IncrementalHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 329 mSolverCounterUnsat, 972 mSDtfsCounter, 1105 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1418 GetRequests, 1346 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=3, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 181 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1513 NumberOfCodeBlocks, 1513 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1336 ConstructedInterpolants, 0 QuantifiedInterpolants, 4717 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2726 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 10157/10400 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 11:59:19,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 1ddb35e71f8e18cdd0992b52a315893b49188682f163cce9af036fd922ec6944 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:22,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:22,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:59:22,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:22,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:22,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:22,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:22,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:22,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:22,467 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:22,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:22,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:22,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:22,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:22,471 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:22,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:22,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:22,473 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:22,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:22,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:22,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:22,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:22,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:22,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:59:22,478 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:59:22,478 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:59:22,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:22,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:22,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:22,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:22,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:22,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:22,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:22,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:22,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:22,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:22,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:22,485 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:59:22,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:59:22,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:22,486 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:22,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:22,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:22,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:22,488 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:59:22,488 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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ddb35e71f8e18cdd0992b52a315893b49188682f163cce9af036fd922ec6944 [2023-11-26 11:59:22,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:22,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:22,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:22,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:22,965 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:22,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-11-26 11:59:26,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:26,487 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:26,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-11-26 11:59:26,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/data/ca5a1816e/9cbace1395d7407d8c9f908d3055dfff/FLAGb52880acf [2023-11-26 11:59:26,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/data/ca5a1816e/9cbace1395d7407d8c9f908d3055dfff [2023-11-26 11:59:26,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:26,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:26,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:26,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:26,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:26,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:26" (1/1) ... [2023-11-26 11:59:26,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed15b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:26, skipping insertion in model container [2023-11-26 11:59:26,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:26" (1/1) ... [2023-11-26 11:59:26,582 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:26,781 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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i[919,932] [2023-11-26 11:59:26,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:26,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:26,941 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_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i[919,932] [2023-11-26 11:59:27,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:27,039 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:27,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27 WrapperNode [2023-11-26 11:59:27,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:27,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:27,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:27,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:27,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,101 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-26 11:59:27,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:27,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:27,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:27,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:27,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,121 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,136 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 11:59:27,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:27,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:27,219 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:27,219 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:27,220 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (1/1) ... [2023-11-26 11:59:27,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:27,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:27,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:27,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:59:27,363 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:59:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:59:27,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:27,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:27,488 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:27,492 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:33,249 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:33,305 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:33,305 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:33,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:33 BoogieIcfgContainer [2023-11-26 11:59:33,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:33,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:33,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:33,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:33,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:26" (1/3) ... [2023-11-26 11:59:33,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6baafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:33, skipping insertion in model container [2023-11-26 11:59:33,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:27" (2/3) ... [2023-11-26 11:59:33,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6baafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:33, skipping insertion in model container [2023-11-26 11:59:33,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:33" (3/3) ... [2023-11-26 11:59:33,316 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-27.i [2023-11-26 11:59:33,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:33,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:59:33,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:33,396 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;@4e4de4d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:33,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:59:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:59:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-26 11:59:33,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:33,420 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:33,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:33,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:33,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1072612878, now seen corresponding path program 1 times [2023-11-26 11:59:33,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:33,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327649534] [2023-11-26 11:59:33,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:33,445 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 11:59:33,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:33,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:33,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:34,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:59:34,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 626 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2023-11-26 11:59:34,151 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:34,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:34,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327649534] [2023-11-26 11:59:34,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327649534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:34,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:34,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:34,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85877246] [2023-11-26 11:59:34,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:34,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:59:34,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:34,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:59:34,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:34,192 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:59:38,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:38,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:38,157 INFO L93 Difference]: Finished difference Result 151 states and 274 transitions. [2023-11-26 11:59:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:59:38,205 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2023-11-26 11:59:38,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:38,213 INFO L225 Difference]: With dead ends: 151 [2023-11-26 11:59:38,213 INFO L226 Difference]: Without dead ends: 75 [2023-11-26 11:59:38,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 11:59:38,220 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:38,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-26 11:59:38,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-26 11:59:38,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-26 11:59:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 47 states have internal predecessors, (65), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-26 11:59:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-26 11:59:38,276 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 164 [2023-11-26 11:59:38,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:38,277 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-26 11:59:38,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-26 11:59:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-26 11:59:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-26 11:59:38,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:38,283 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:38,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:38,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:38,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:38,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:38,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1823672066, now seen corresponding path program 1 times [2023-11-26 11:59:38,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:38,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427253194] [2023-11-26 11:59:38,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:38,502 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 11:59:38,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:38,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:38,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:39,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:59:39,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-26 11:59:40,073 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:40,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:40,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427253194] [2023-11-26 11:59:40,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427253194] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:59:40,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [154392594] [2023-11-26 11:59:40,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:40,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-26 11:59:40,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 [2023-11-26 11:59:40,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-26 11:59:40,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-26 11:59:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:41,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:59:41,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:59:42,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:42,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [154392594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:42,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:59:42,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2023-11-26 11:59:42,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198294987] [2023-11-26 11:59:42,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:42,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:42,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:42,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:42,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:59:42,183 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:45,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:46,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:46,066 INFO L93 Difference]: Finished difference Result 223 states and 349 transitions. [2023-11-26 11:59:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:46,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-11-26 11:59:46,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:46,072 INFO L225 Difference]: With dead ends: 223 [2023-11-26 11:59:46,072 INFO L226 Difference]: Without dead ends: 149 [2023-11-26 11:59:46,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:59:46,075 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 28 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:46,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 217 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-26 11:59:46,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-26 11:59:46,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2023-11-26 11:59:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 90 states have internal predecessors, (122), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-26 11:59:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 226 transitions. [2023-11-26 11:59:46,118 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 226 transitions. Word has length 164 [2023-11-26 11:59:46,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:46,120 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 226 transitions. [2023-11-26 11:59:46,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 226 transitions. [2023-11-26 11:59:46,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-26 11:59:46,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:46,124 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:46,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:46,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:46,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:46,529 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:46,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:46,529 INFO L85 PathProgramCache]: Analyzing trace with hash 451922910, now seen corresponding path program 1 times [2023-11-26 11:59:46,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:46,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753300291] [2023-11-26 11:59:46,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:46,531 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 11:59:46,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:46,532 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:46,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 (5)] Waiting until timeout for monitored process [2023-11-26 11:59:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:47,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:59:47,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-26 11:59:47,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:59:48,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:48,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753300291] [2023-11-26 11:59:48,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753300291] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:59:48,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1820217409] [2023-11-26 11:59:48,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:48,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-26 11:59:48,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 [2023-11-26 11:59:48,408 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-26 11:59:48,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-26 11:59:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:49,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:59:49,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-26 11:59:49,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:49,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1820217409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:49,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:59:49,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-11-26 11:59:49,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790369481] [2023-11-26 11:59:49,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:49,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:59:49,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:49,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:59:49,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:59:49,977 INFO L87 Difference]: Start difference. First operand 145 states and 226 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:52,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:54,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:54,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:54,858 INFO L93 Difference]: Finished difference Result 301 states and 469 transitions. [2023-11-26 11:59:54,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:59:54,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 165 [2023-11-26 11:59:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:54,908 INFO L225 Difference]: With dead ends: 301 [2023-11-26 11:59:54,908 INFO L226 Difference]: Without dead ends: 157 [2023-11-26 11:59:54,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:59:54,914 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 9 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:54,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 195 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-26 11:59:54,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-26 11:59:54,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 145. [2023-11-26 11:59:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-26 11:59:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 224 transitions. [2023-11-26 11:59:54,965 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 224 transitions. Word has length 165 [2023-11-26 11:59:54,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:54,967 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 224 transitions. [2023-11-26 11:59:54,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-26 11:59:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 224 transitions. [2023-11-26 11:59:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-26 11:59:54,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:54,980 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:59:54,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:55,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:55,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:55,387 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:55,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:55,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1731786588, now seen corresponding path program 1 times [2023-11-26 11:59:55,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:55,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989190281] [2023-11-26 11:59:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:55,389 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 11:59:55,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:55,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 11:59:55,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d23a3dee-05e2-4adc-bbc5-0e1fcb2e1ab2/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 (7)] Waiting until timeout for monitored process [2023-11-26 11:59:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:55,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:59:55,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-26 11:59:56,762 INFO L327 TraceCheckSpWp]: Computing backward predicates...