./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:38:32,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:38:32,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:38:32,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:38:32,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:38:32,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:38:32,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:38:32,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:38:32,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:38:32,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:38:32,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:38:32,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:38:32,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:38:32,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:38:32,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:38:32,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:38:32,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:38:32,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:38:32,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:38:32,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:38:32,779 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:38:32,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:38:32,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:38:32,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:38:32,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:38:32,780 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:38:32,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:38:32,780 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:38:32,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:38:32,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:32,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:38:32,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:38:32,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:38:32,781 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:38:32,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:38:32,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c [2024-11-13 21:38:33,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:38:33,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:38:33,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:38:33,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:38:33,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:38:33,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i Unable to find full path for "g++" [2024-11-13 21:38:35,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:38:35,520 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:38:35,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2024-11-13 21:38:35,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/data/cbacc46c8/d5fa7ed7bf5548fc9656b1770d12ed16/FLAG3df31d96a [2024-11-13 21:38:35,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/data/cbacc46c8/d5fa7ed7bf5548fc9656b1770d12ed16 [2024-11-13 21:38:35,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:38:35,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:38:35,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:35,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:38:35,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:38:35,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dae0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:35, skipping insertion in model container [2024-11-13 21:38:35,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:38:35" (1/1) ... [2024-11-13 21:38:35,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:38:35,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:36,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:38:36,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:38:36,110 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:38:36,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36 WrapperNode [2024-11-13 21:38:36,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:38:36,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:36,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:38:36,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:38:36,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,160 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-13 21:38:36,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:38:36,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:38:36,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:38:36,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:38:36,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:38:36,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:38:36,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:38:36,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:38:36,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:38:36,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:38:36,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:38:36,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:38:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:38:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:38:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:38:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:38:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:38:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:38:36,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:38:36,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:38:36,567 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 21:38:36,567 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:38:36,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:38:36,655 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:38:36,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:36 BoogieIcfgContainer [2024-11-13 21:38:36,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:38:36,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:38:36,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:38:36,668 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:38:36,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:36" (1/1) ... [2024-11-13 21:38:36,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:38:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-13 21:38:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-13 21:38:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:38:36,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:36,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-11-13 21:38:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-13 21:38:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:38:37,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:37,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:37,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-13 21:38:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-13 21:38:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:38:37,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:37,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:37,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:37,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-11-13 21:38:37,447 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-13 21:38:37,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:38:37,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:37,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2024-11-13 21:38:37,486 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2024-11-13 21:38:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:38:37,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-11-13 21:38:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 21:38:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:38:37,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:37,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2024-11-13 21:38:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2024-11-13 21:38:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:38:38,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:38,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:38,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:38,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2024-11-13 21:38:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-13 21:38:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:38:38,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:38,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:38:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:38,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:38:38,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:38,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-13 21:38:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:38:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2024-11-13 21:38:38,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2024-11-13 21:38:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:38:38,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:38,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2024-11-13 21:38:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2024-11-13 21:38:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:38:39,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:38:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2024-11-13 21:38:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2024-11-13 21:38:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:38:40,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:40,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:38:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:40,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:38:40,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:40,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:38:40,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-13 21:38:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:42,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2024-11-13 21:38:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2024-11-13 21:38:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:38:42,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:42,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:38:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions. [2024-11-13 21:38:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2024-11-13 21:38:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:38:42,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:42,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:38:44,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2024-11-13 21:38:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2024-11-13 21:38:44,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:38:44,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:44,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2024-11-13 21:38:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2024-11-13 21:38:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:38:48,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:48,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 95 transitions. [2024-11-13 21:38:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 95 transitions. [2024-11-13 21:38:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:38:49,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:49,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:38:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:49,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:38:49,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:49,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:38:49,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:38:49,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 21:38:50,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-13 21:38:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2024-11-13 21:38:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2024-11-13 21:38:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:38:51,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:51,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:38:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:51,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:38:51,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:51,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 20 [2024-11-13 21:38:51,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2024-11-13 21:38:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:38:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 64 states and 109 transitions. [2024-11-13 21:38:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 109 transitions. [2024-11-13 21:38:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:38:55,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:55,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:56,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 67 states and 116 transitions. [2024-11-13 21:38:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 116 transitions. [2024-11-13 21:38:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:38:56,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:56,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:38:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:56,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:38:56,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:56,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:38:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:38:56,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 21:38:56,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:38:56,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-13 21:38:56,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-13 21:38:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:38:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2024-11-13 21:38:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2024-11-13 21:38:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:38:57,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:38:59,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 72 states and 127 transitions. [2024-11-13 21:38:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 127 transitions. [2024-11-13 21:38:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:38:59,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:59,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:00,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:39:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:03,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 79 states and 146 transitions. [2024-11-13 21:39:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2024-11-13 21:39:03,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:39:03,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:39:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:39:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:03,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:39:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:03,343 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2024-11-13 21:39:03,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:39:03 ImpRootNode [2024-11-13 21:39:03,384 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:39:03,385 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:39:03,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:39:03,385 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:39:03,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:38:36" (3/4) ... [2024-11-13 21:39:03,387 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:39:03,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:39:03,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:39:03,431 INFO L158 Benchmark]: Toolchain (without parser) took 27856.39ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.0MB in the beginning and 54.5MB in the end (delta: 35.5MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2024-11-13 21:39:03,431 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:03,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.96ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 73.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:39:03,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.18ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:03,432 INFO L158 Benchmark]: Boogie Preprocessor took 42.65ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:03,433 INFO L158 Benchmark]: RCFGBuilder took 451.59ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 55.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:39:03,433 INFO L158 Benchmark]: CodeCheck took 26727.37ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 56.9MB in the end (delta: -1.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-13 21:39:03,435 INFO L158 Benchmark]: Witness Printer took 45.09ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 54.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:39:03,437 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 1 procedures, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 26.7s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1008 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 549 mSDsluCounter, 177 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4264 IncrementalHoareTripleChecker+Invalid, 5415 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1151 mSolverCounterUnsat, 177 mSDtfsCounter, 4264 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2030 GetRequests, 1715 SyntacticMatches, 53 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28350 ImplicationChecksByTransitivity, 22.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 1403 SizeOfPredicates, 20 NumberOfNonLiveVariables, 331 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 13/106 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: 524]: integer overflow possible integer overflow possible We found a FailurePath: [L531] int array_size = __VERIFIER_nondet_int(); [L532] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L535] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L537] int k = 0; VAL [array_size=1, k=0, numbers={2:0}] [L537] COND TRUE k < array_size [L539] numbers[k] = __VERIFIER_nondet_int() [L537] k++ VAL [array_size=1, k=1, numbers={2:0}] [L537] COND FALSE !(k < array_size) [L542] CALL test_fun(numbers, array_size) [L514] int i; [L515] int res; [L516] i = 0 VAL [N=1, a={2:0}, i=0] [L516] COND TRUE i < N [L517] res = 1 [L518] EXPR a[i] [L518] COND FALSE !(a[i] == 0) [L520] EXPR a[i] [L520] COND FALSE !(a[i] < 0) [L523] EXPR a[i] VAL [N=1, a={2:0}, i=0, res=1] [L523] COND TRUE a[i] > 0 [L524] EXPR a[i] VAL [N=1, a={2:0}, i=0, res=1] [L524] EXPR res * a[i] [L524] res = res * a[i] [L525] EXPR a[i] [L525] a[i]-- [L523] EXPR a[i] VAL [N=1, a={2:0}, i=0, res=46342] [L523] COND TRUE a[i] > 0 [L524] EXPR a[i] VAL [N=1, a={2:0}, i=0, res=46342] [L524] res * a[i] VAL [N=1, a={2:0}, i=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.96ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 73.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.18ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 71.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.65ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 451.59ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 55.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 26727.37ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 56.9MB in the end (delta: -1.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 45.09ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 54.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:39:03,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3eaf8e50-1ab8-41d3-a47a-1acf50b787ce/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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(OVERFLOW)