./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97fbca6e87e25b4f87eb503f3dd8cdf02cc5219f6d8160a4d7fb4354cdd218ca --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:21:21,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:21:21,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:21:21,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:21:21,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:21:21,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:21:21,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:21:21,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:21:21,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:21:21,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:21:21,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:21:21,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:21:21,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:21:21,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:21:21,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:21:21,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:21:21,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:21:21,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:21:21,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:21:21,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:21:21,155 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:21:21,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:21:21,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:21:21,157 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:21:21,157 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:21:21,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:21:21,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:21:21,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:21,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:21:21,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:21:21,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:21:21,160 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:21:21,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:21:21,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97fbca6e87e25b4f87eb503f3dd8cdf02cc5219f6d8160a4d7fb4354cdd218ca [2024-11-08 22:21:21,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:21:21,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:21:21,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:21:21,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:21:21,549 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:21:21,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-08 22:21:23,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:21:24,250 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:21:24,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c [2024-11-08 22:21:24,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/data/e58d494f1/34b74ab29d8c4ad9bd9cdc2278a3c7ba/FLAG615ca7449 [2024-11-08 22:21:24,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/data/e58d494f1/34b74ab29d8c4ad9bd9cdc2278a3c7ba [2024-11-08 22:21:24,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:21:24,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:21:24,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:24,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:21:24,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:21:24,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2851bf04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24, skipping insertion in model container [2024-11-08 22:21:24,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:21:24,550 WARN L250 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_6fa77238-47e7-4adc-9780-8157c94cf570/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c[524,537] [2024-11-08 22:21:24,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:24,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:21:24,607 WARN L250 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_6fa77238-47e7-4adc-9780-8157c94cf570/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c[524,537] [2024-11-08 22:21:24,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:24,642 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:21:24,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24 WrapperNode [2024-11-08 22:21:24,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:24,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:24,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:21:24,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:21:24,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,685 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-08 22:21:24,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:24,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:21:24,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:21:24,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:21:24,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:21:24,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:21:24,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:21:24,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:21:24,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:24" (1/1) ... [2024-11-08 22:21:24,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:24,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:21:24,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:21:24,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6fa77238-47e7-4adc-9780-8157c94cf570/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:21:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:21:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:21:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:21:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:21:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:21:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:21:24,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:21:24,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:25,186 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:25,186 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:25,381 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:25,381 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:21:25,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:25 BoogieIcfgContainer [2024-11-08 22:21:25,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:25,383 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:25,383 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:25,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:25,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:25" (1/1) ... [2024-11-08 22:21:25,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:25,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:25,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 22:21:25,490 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 22:21:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:21:25,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:25,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:25,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:25,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 22:21:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 22:21:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:21:25,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:25,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:25,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 22:21:25,896 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 22:21:25,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:21:25,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:25,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:25,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:21:25,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 22:21:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 22:21:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:21:26,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:26,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:26,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:21:26,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:27,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-08 22:21:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-08 22:21:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:21:28,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2024-11-08 22:21:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2024-11-08 22:21:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:21:30,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:30,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:30,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:21:30,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 71 transitions. [2024-11-08 22:21:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 71 transitions. [2024-11-08 22:21:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:21:36,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:36,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:36,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:21:36,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:21:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 74 transitions. [2024-11-08 22:21:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 74 transitions. [2024-11-08 22:21:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:21:39,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:39,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:39,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:21:39,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:21:40,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 38 states and 82 transitions. [2024-11-08 22:21:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 82 transitions. [2024-11-08 22:21:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:21:40,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:40,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 22:21:40,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:21:44,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:21:45,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 40 states and 88 transitions. [2024-11-08 22:21:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 88 transitions. [2024-11-08 22:21:45,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:21:45,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:45,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:21:45,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:22:20,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:22:35,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:22:36,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:22:38,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:22:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 44 states and 99 transitions. [2024-11-08 22:22:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 99 transitions. [2024-11-08 22:22:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:22:38,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:38,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:22:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:38,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:22:38,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:23:23,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:23:29,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:23:58,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 107 transitions. [2024-11-08 22:23:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 107 transitions. [2024-11-08 22:23:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:23:58,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:58,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:23:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:58,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:23:58,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:24:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 48 states and 112 transitions. [2024-11-08 22:24:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 112 transitions. [2024-11-08 22:24:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:24:24,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:24,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:24:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 52 states and 131 transitions. [2024-11-08 22:24:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 131 transitions. [2024-11-08 22:24:30,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:24:30,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:24:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:30,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:24:30,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:24:48,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:25:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 55 states and 140 transitions. [2024-11-08 22:25:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 140 transitions. [2024-11-08 22:25:15,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:25:15,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:15,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:25:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 56 states and 144 transitions. [2024-11-08 22:25:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 144 transitions. [2024-11-08 22:25:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:25:17,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:17,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:25:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 56 states and 143 transitions. [2024-11-08 22:25:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 143 transitions. [2024-11-08 22:25:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:25:20,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:20,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:25:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:20,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:25:20,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:25:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 57 states and 145 transitions. [2024-11-08 22:25:38,931 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 145 transitions. [2024-11-08 22:25:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:25:38,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:38,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:25:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:38,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:25:38,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 22:25:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 59 states and 150 transitions. [2024-11-08 22:25:43,657 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 150 transitions. [2024-11-08 22:25:43,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:25:43,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:43,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:26:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 63 states and 176 transitions. [2024-11-08 22:26:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 176 transitions. [2024-11-08 22:26:24,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:26:24,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:24,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:26:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 64 states and 181 transitions. [2024-11-08 22:26:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 181 transitions. [2024-11-08 22:26:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:26:27,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:27,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:26:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:26:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:27,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 22:26:27,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:27:40,363 WARN L286 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:29:09,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:29:59,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:30:03,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:30:05,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:30:08,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:30:08,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 68 states and 199 transitions. [2024-11-08 22:30:08,405 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 199 transitions. [2024-11-08 22:30:08,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:30:08,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:08,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:30:23,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 68 states and 198 transitions. [2024-11-08 22:30:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 198 transitions. [2024-11-08 22:30:23,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:30:23,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:23,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:30:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:30:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:24,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 22:30:24,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:31:43,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:43,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 70 states and 200 transitions. [2024-11-08 22:31:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 200 transitions. [2024-11-08 22:31:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:31:43,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:43,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:31:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:31:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:44,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 22:31:44,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:02,419 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:33:31,909 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:33:48,412 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:33:58,357 WARN L286 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:34:06,896 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:34:27,594 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:34:43,321 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:34:52,274 WARN L286 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:35:21,923 WARN L286 SmtUtils]: Spent 20.26s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:35:41,942 WARN L286 SmtUtils]: Spent 20.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:35:52,180 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:36:14,685 WARN L286 SmtUtils]: Spent 22.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)