./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.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_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/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_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/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_a65bf81a-8add-4d84-aefc-e7f545db46ca/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 f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:25:53,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:25:53,823 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:25:53,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:25:53,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:25:53,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:25:53,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:25:53,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:25:53,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:25:53,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:25:53,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:25:53,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:25:53,867 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:25:53,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:25:53,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:25:53,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:25:53,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:25:53,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:25:53,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:25:53,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:25:53,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:25:53,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:25:53,874 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:25:53,874 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:25:53,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:25:53,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:25:53,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:25:53,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:53,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:25:53,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:25:53,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:25:53,877 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:25:53,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:25:53,877 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_a65bf81a-8add-4d84-aefc-e7f545db46ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2024-11-09 00:25:54,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:25:54,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:25:54,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:25:54,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:25:54,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:25:54,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-09 00:25:56,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:25:56,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:25:56,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2024-11-09 00:25:56,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/data/77d9f3e9f/ccb8abe2434b4cbd861d379ea7377a51/FLAGcb8db6ad4 [2024-11-09 00:25:56,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/data/77d9f3e9f/ccb8abe2434b4cbd861d379ea7377a51 [2024-11-09 00:25:56,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:25:56,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:25:56,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:56,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:25:56,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:25:56,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4166c402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56, skipping insertion in model container [2024-11-09 00:25:56,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:25:56,604 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_a65bf81a-8add-4d84-aefc-e7f545db46ca/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c[588,601] [2024-11-09 00:25:56,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:56,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:25:56,652 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_a65bf81a-8add-4d84-aefc-e7f545db46ca/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c[588,601] [2024-11-09 00:25:56,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:56,681 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:25:56,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56 WrapperNode [2024-11-09 00:25:56,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:56,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:56,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:25:56,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:25:56,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,712 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-11-09 00:25:56,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:56,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:25:56,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:25:56,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:25:56,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:25:56,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:25:56,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:25:56,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:25:56,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:56" (1/1) ... [2024-11-09 00:25:56,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:56,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:25:56,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:25:56,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:25:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:25:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:25:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:25:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:25:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:25:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:25:56,881 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:25:56,883 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:25:57,035 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-09 00:25:57,035 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:25:57,060 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:25:57,060 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:25:57,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:57 BoogieIcfgContainer [2024-11-09 00:25:57,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:25:57,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:25:57,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:25:57,072 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:25:57,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:57" (1/1) ... [2024-11-09 00:25:57,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:25:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:57,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-09 00:25:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-09 00:25:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:25:57,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:57,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:57,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-09 00:25:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-09 00:25:57,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:25:57,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:57,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-09 00:25:57,539 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-09 00:25:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:25:57,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:57,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2024-11-09 00:25:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-09 00:25:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:25:58,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:58,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:58,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:25:58,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:59,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:59,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2024-11-09 00:25:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-09 00:25:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:25:59,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:59,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:59,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:25:59,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:25:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2024-11-09 00:25:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2024-11-09 00:25:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:25:59,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:59,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:59,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:25:59,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:00,084 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:26:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2024-11-09 00:26:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2024-11-09 00:26:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:26:00,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:00,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:00,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:26:00,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:26:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2024-11-09 00:26:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2024-11-09 00:26:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:26:00,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:00,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:26:01,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2024-11-09 00:26:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2024-11-09 00:26:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:26:01,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:01,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:26:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:02,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 95 transitions. [2024-11-09 00:26:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2024-11-09 00:26:02,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:26:02,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:26:03,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 99 transitions. [2024-11-09 00:26:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 99 transitions. [2024-11-09 00:26:03,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:26:03,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:03,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:03,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:26:03,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:26:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 56 states and 106 transitions. [2024-11-09 00:26:04,580 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 106 transitions. [2024-11-09 00:26:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:26:04,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:04,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:04,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:04,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:26:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 113 transitions. [2024-11-09 00:26:06,065 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2024-11-09 00:26:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:26:06,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:06,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:06,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:06,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:06,395 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:26:06,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:06,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 62 states and 114 transitions. [2024-11-09 00:26:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2024-11-09 00:26:06,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:26:06,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:06,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:26:06,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:26:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 65 states and 123 transitions. [2024-11-09 00:26:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 123 transitions. [2024-11-09 00:26:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:26:07,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:07,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:07,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:07,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:26:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 68 states and 130 transitions. [2024-11-09 00:26:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 130 transitions. [2024-11-09 00:26:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:26:08,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:08,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:08,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 00:26:08,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 00:26:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 66 states and 125 transitions. [2024-11-09 00:26:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2024-11-09 00:26:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:26:10,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:10,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:10,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:26:10,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:26:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 68 states and 129 transitions. [2024-11-09 00:26:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2024-11-09 00:26:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 00:26:10,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:10,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:10,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:26:10,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 00:26:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 69 states and 131 transitions. [2024-11-09 00:26:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 131 transitions. [2024-11-09 00:26:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:26:11,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:26:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:12,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 70 states and 132 transitions. [2024-11-09 00:26:12,800 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2024-11-09 00:26:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:26:12,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:12,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:12,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:12,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:12,997 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:26:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 71 states and 136 transitions. [2024-11-09 00:26:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2024-11-09 00:26:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 00:26:13,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:13,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-09 00:26:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 73 states and 139 transitions. [2024-11-09 00:26:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 139 transitions. [2024-11-09 00:26:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:26:15,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:15,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-09 00:26:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 73 states and 138 transitions. [2024-11-09 00:26:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2024-11-09 00:26:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 00:26:16,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-09 00:26:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 139 transitions. [2024-11-09 00:26:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 139 transitions. [2024-11-09 00:26:16,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:26:16,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:16,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:16,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:26:16,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 51 proven. 9 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 00:26:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:20,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 160 transitions. [2024-11-09 00:26:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 160 transitions. [2024-11-09 00:26:20,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:26:20,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:20,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:20,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:26:20,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 00:26:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 79 states and 149 transitions. [2024-11-09 00:26:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2024-11-09 00:26:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 00:26:21,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:21,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:26:21,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:26:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:26:21,515 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2024-11-09 00:26:21,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:26:21 ImpRootNode [2024-11-09 00:26:21,576 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:26:21,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:26:21,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:26:21,577 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:26:21,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:57" (3/4) ... [2024-11-09 00:26:21,578 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:26:21,668 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:26:21,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:26:21,669 INFO L158 Benchmark]: Toolchain (without parser) took 25279.54ms. Allocated memory was 169.9MB in the beginning and 302.0MB in the end (delta: 132.1MB). Free memory was 139.7MB in the beginning and 135.4MB in the end (delta: 4.3MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB. [2024-11-09 00:26:21,671 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 169.9MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:26:21,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.04ms. Allocated memory is still 169.9MB. Free memory was 139.7MB in the beginning and 126.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:26:21,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.87ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:26:21,673 INFO L158 Benchmark]: Boogie Preprocessor took 21.63ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 123.8MB in the end (delta: 750.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:26:21,673 INFO L158 Benchmark]: RCFGBuilder took 323.94ms. Allocated memory is still 169.9MB. Free memory was 123.8MB in the beginning and 110.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:26:21,673 INFO L158 Benchmark]: CodeCheck took 24515.09ms. Allocated memory was 169.9MB in the beginning and 302.0MB in the end (delta: 132.1MB). Free memory was 110.6MB in the beginning and 138.6MB in the end (delta: -28.0MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. [2024-11-09 00:26:21,673 INFO L158 Benchmark]: Witness Printer took 91.23ms. Allocated memory is still 302.0MB. Free memory was 138.6MB in the beginning and 135.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:26:21,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1820 SdHoareTripleChecker+Valid, 24.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 598 mSDsluCounter, 1222 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 2903 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8681 IncrementalHoareTripleChecker+Invalid, 11584 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2903 mSolverCounterUnsat, 1138 mSDtfsCounter, 8681 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8293 GetRequests, 7824 SyntacticMatches, 207 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39952 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1040 NumberOfCodeBlocks, 1040 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 947 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1686 ConjunctsInSsa, 193 ConjunctsInUnsatCore, 25 InterpolantComputations, 10 PerfectInterpolantSequences, 2294/2456 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] short a; [L25] long long n, x, y, z; [L26] a = __VERIFIER_nondet_ushort() [L28] n = 0 [L29] x = 0 [L30] y = 1 [L31] z = 6 VAL [a=2, counter=0, n=0, x=0, y=1, z=6] [L33] EXPR counter++ VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [a=2, counter=1, n=0, x=0, y=1, z=6] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [a=2, counter=1, n=1, x=1, y=7, z=12] [L33] EXPR counter++ VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [a=2, counter=2, n=1, x=1, y=7, z=12] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [a=2, counter=2, n=2, x=8, y=19, z=18] [L33] EXPR counter++ VAL [a=2, counter=3, n=2, x=8, y=19, z=18] [L33] COND FALSE !(counter++<2) [L48] CALL __VERIFIER_assert(z == 6*n + 6) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L48] RET __VERIFIER_assert(z == 6*n + 6) VAL [a=2, counter=3, n=2, x=8, y=19, z=18] [L49] CALL __VERIFIER_assert(6*a*x - x*z + 12*x == 0) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 169.9MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.04ms. Allocated memory is still 169.9MB. Free memory was 139.7MB in the beginning and 126.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.87ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.63ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 123.8MB in the end (delta: 750.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.94ms. Allocated memory is still 169.9MB. Free memory was 123.8MB in the beginning and 110.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 24515.09ms. Allocated memory was 169.9MB in the beginning and 302.0MB in the end (delta: 132.1MB). Free memory was 110.6MB in the beginning and 138.6MB in the end (delta: -28.0MB). Peak memory consumption was 106.5MB. Max. memory is 16.1GB. * Witness Printer took 91.23ms. Allocated memory is still 302.0MB. Free memory was 138.6MB in the beginning and 135.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:26:21,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a65bf81a-8add-4d84-aefc-e7f545db46ca/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE