./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:26:28,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:26:28,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 05:26:28,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:26:28,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:26:28,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:26:28,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:26:28,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:26:28,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:26:28,787 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:26:28,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:26:28,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:26:28,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:26:28,788 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:26:28,789 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:26:28,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:26:28,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:28,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:26:28,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:26:28,789 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:26:28,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:26:28,789 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_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2024-12-06 05:26:29,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:26:29,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:26:29,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:26:29,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:26:29,052 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:26:29,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-12-06 05:26:31,717 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data/37bf07c1f/b353e89332f0419888fc47609791ab5a/FLAG141d0f88e [2024-12-06 05:26:32,057 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:26:32,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-12-06 05:26:32,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data/37bf07c1f/b353e89332f0419888fc47609791ab5a/FLAG141d0f88e [2024-12-06 05:26:32,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data/37bf07c1f/b353e89332f0419888fc47609791ab5a [2024-12-06 05:26:32,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:26:32,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:26:32,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:32,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:26:32,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:26:32,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:32" (1/1) ... [2024-12-06 05:26:32,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5103e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:32, skipping insertion in model container [2024-12-06 05:26:32,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:32" (1/1) ... [2024-12-06 05:26:32,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:26:33,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:33,205 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:26:33,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:26:33,539 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:26:33,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33 WrapperNode [2024-12-06 05:26:33,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:26:33,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:33,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:26:33,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:26:33,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,750 INFO L138 Inliner]: procedures = 473, calls = 2667, calls flagged for inlining = 202, calls inlined = 324, statements flattened = 4655 [2024-12-06 05:26:33,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:26:33,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:26:33,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:26:33,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:26:33,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,843 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:26:33,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:26:33,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:26:33,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:26:33,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:33" (1/1) ... [2024-12-06 05:26:33,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:26:33,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:26:33,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:26:33,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:26:33,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:26:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:26:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:26:34,243 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:26:34,245 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:26:41,273 INFO L? ?]: Removed 1848 outVars from TransFormulas that were not future-live. [2024-12-06 05:26:41,274 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:26:41,982 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:26:41,982 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-06 05:26:41,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:26:41 BoogieIcfgContainer [2024-12-06 05:26:41,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:26:41,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:26:41,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:26:41,993 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:26:41,993 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:26:41" (1/1) ... [2024-12-06 05:26:42,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:26:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 700 states and 812 transitions. [2024-12-06 05:26:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 812 transitions. [2024-12-06 05:26:42,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:26:42,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:42,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:26:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:47,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:26:47,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:47,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-12-06 05:26:47,946 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-12-06 05:26:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:26:47,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:47,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:26:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:53,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:26:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 698 states and 810 transitions. [2024-12-06 05:26:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 810 transitions. [2024-12-06 05:26:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:26:53,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:26:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-12-06 05:26:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-12-06 05:26:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:26:55,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:55,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:26:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:26:58,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:26:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:26:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 696 states and 808 transitions. [2024-12-06 05:26:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 808 transitions. [2024-12-06 05:26:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:26:58,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:26:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:02,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:27:02,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:02,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 695 states and 807 transitions. [2024-12-06 05:27:02,815 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 807 transitions. [2024-12-06 05:27:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:27:02,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:02,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:05,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:07,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:27:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:07,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-12-06 05:27:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-12-06 05:27:07,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:27:07,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:07,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 699 states and 815 transitions. [2024-12-06 05:27:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 815 transitions. [2024-12-06 05:27:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:27:10,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:10,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:13,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 700 states and 816 transitions. [2024-12-06 05:27:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 816 transitions. [2024-12-06 05:27:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:27:13,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:13,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-12-06 05:27:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-12-06 05:27:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:27:16,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:27:21,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:27:22,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 699 states and 814 transitions. [2024-12-06 05:27:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 814 transitions. [2024-12-06 05:27:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:27:22,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:22,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 701 states and 816 transitions. [2024-12-06 05:27:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 816 transitions. [2024-12-06 05:27:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:27:25,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:27:28,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 703 states and 818 transitions. [2024-12-06 05:27:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 818 transitions. [2024-12-06 05:27:28,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:27:28,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:27:33,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:27:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 705 states and 820 transitions. [2024-12-06 05:27:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 820 transitions. [2024-12-06 05:27:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:27:36,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:36,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:27:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 704 states and 819 transitions. [2024-12-06 05:27:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 819 transitions. [2024-12-06 05:27:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:27:38,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:38,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:27:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 705 states and 822 transitions. [2024-12-06 05:27:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 822 transitions. [2024-12-06 05:27:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:27:41,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:41,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:27:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 704 states and 821 transitions. [2024-12-06 05:27:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 821 transitions. [2024-12-06 05:27:44,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:27:44,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:44,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:27:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 705 states and 822 transitions. [2024-12-06 05:27:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 822 transitions. [2024-12-06 05:27:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:27:47,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:47,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:27:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-12-06 05:27:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-12-06 05:27:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:27:49,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:27:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 701 states and 812 transitions. [2024-12-06 05:27:53,267 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 812 transitions. [2024-12-06 05:27:53,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:27:53,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:53,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:27:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 703 states and 814 transitions. [2024-12-06 05:27:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 814 transitions. [2024-12-06 05:27:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:27:56,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:56,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:27:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:28:00,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 705 states and 816 transitions. [2024-12-06 05:28:00,305 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 816 transitions. [2024-12-06 05:28:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:28:00,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:00,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:28:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:28:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 707 states and 818 transitions. [2024-12-06 05:28:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 818 transitions. [2024-12-06 05:28:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:28:03,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:03,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:28:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:28:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 709 states and 820 transitions. [2024-12-06 05:28:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 820 transitions. [2024-12-06 05:28:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 05:28:07,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:07,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:28:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:28:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 05:28:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 711 states and 821 transitions. [2024-12-06 05:28:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 821 transitions. [2024-12-06 05:28:11,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:28:11,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:11,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:28:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:28:14,090 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:28:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:28:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:28:27,549 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:28:27,553 INFO L158 Benchmark]: Toolchain (without parser) took 115456.40ms. Allocated memory was 142.6MB in the beginning and 947.9MB in the end (delta: 805.3MB). Free memory was 112.7MB in the beginning and 371.1MB in the end (delta: -258.4MB). Peak memory consumption was 549.2MB. Max. memory is 16.1GB. [2024-12-06 05:28:27,553 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 82.7MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:28:27,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1442.35ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 55.0MB in the end (delta: 57.7MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2024-12-06 05:28:27,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.44ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 76.9MB in the end (delta: -21.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-12-06 05:28:27,554 INFO L158 Benchmark]: Boogie Preprocessor took 163.08ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 52.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:28:27,555 INFO L158 Benchmark]: RCFGBuilder took 8067.89ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 52.8MB in the beginning and 338.9MB in the end (delta: -286.1MB). Peak memory consumption was 234.0MB. Max. memory is 16.1GB. [2024-12-06 05:28:27,555 INFO L158 Benchmark]: CodeCheck took 105569.14ms. Allocated memory was 419.4MB in the beginning and 947.9MB in the end (delta: 528.5MB). Free memory was 338.9MB in the beginning and 371.1MB in the end (delta: -32.3MB). Peak memory consumption was 495.8MB. Max. memory is 16.1GB. [2024-12-06 05:28:27,557 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 82.7MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1442.35ms. Allocated memory is still 142.6MB. Free memory was 112.7MB in the beginning and 55.0MB in the end (delta: 57.7MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.44ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 76.9MB in the end (delta: -21.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 163.08ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 52.8MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 8067.89ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 52.8MB in the beginning and 338.9MB in the end (delta: -286.1MB). Peak memory consumption was 234.0MB. Max. memory is 16.1GB. * CodeCheck took 105569.14ms. Allocated memory was 419.4MB in the beginning and 947.9MB in the end (delta: 528.5MB). Free memory was 338.9MB in the beginning and 371.1MB in the end (delta: -32.3MB). Peak memory consumption was 495.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:28:27,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:28:29,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:28:29,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 05:28:29,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:28:29,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:28:29,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:28:29,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:28:29,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:28:29,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:28:29,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:28:29,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:28:29,605 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:28:29,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:28:29,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:28:29,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:28:29,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:28:29,607 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:29,607 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:28:29,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:28:29,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:28:29,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:28:29,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:28:29,608 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:28:29,608 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:29,608 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:28:29,608 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_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b9ba053a0d2bb5cff65ef20f502acdb8ce89a9e82653cf0711701cf2b8f86a02 [2024-12-06 05:28:29,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:28:29,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:28:29,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:28:29,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:28:29,860 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:28:29,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-12-06 05:28:32,518 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data/dc8471e1d/eab7da66d45b4d6099f91c0993f8f2e9/FLAG084a8e97f [2024-12-06 05:28:32,857 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:28:32,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb.i [2024-12-06 05:28:32,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data/dc8471e1d/eab7da66d45b4d6099f91c0993f8f2e9/FLAG084a8e97f [2024-12-06 05:28:32,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/data/dc8471e1d/eab7da66d45b4d6099f91c0993f8f2e9 [2024-12-06 05:28:32,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:28:32,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:28:32,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:28:32,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:28:32,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:28:32,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:32" (1/1) ... [2024-12-06 05:28:32,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534e20fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:32, skipping insertion in model container [2024-12-06 05:28:32,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:28:32" (1/1) ... [2024-12-06 05:28:32,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:28:33,728 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:33,753 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:33,773 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:33,838 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:33,863 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 05:28:33,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:33,923 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:28:34,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:28:34,304 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:28:34,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34 WrapperNode [2024-12-06 05:28:34,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:28:34,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:28:34,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:28:34,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:28:34,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,526 INFO L138 Inliner]: procedures = 483, calls = 2667, calls flagged for inlining = 202, calls inlined = 324, statements flattened = 4442 [2024-12-06 05:28:34,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:28:34,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:28:34,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:28:34,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:28:34,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,642 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:28:34,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:28:34,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:28:34,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:28:34,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:34" (1/1) ... [2024-12-06 05:28:34,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:28:34,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:28:34,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:28:34,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:28:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:28:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-12-06 05:28:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-12-06 05:28:35,058 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:28:35,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:28:58,681 INFO L? ?]: Removed 1801 outVars from TransFormulas that were not future-live. [2024-12-06 05:28:58,682 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:28:59,213 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:28:59,214 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-06 05:28:59,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:59 BoogieIcfgContainer [2024-12-06 05:28:59,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:28:59,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:28:59,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:28:59,222 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:28:59,223 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:59" (1/1) ... [2024-12-06 05:28:59,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:28:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:28:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 700 states and 812 transitions. [2024-12-06 05:28:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 812 transitions. [2024-12-06 05:28:59,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:28:59,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:28:59,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:28:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:28:59,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:28:59,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:29:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:06,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:29:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:12,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:29:12,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:29:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:29:12,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:29:24,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:29:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:29:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-12-06 05:29:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-12-06 05:29:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 05:29:25,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:29:25,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:29:25,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:29:25,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:29:25,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:29:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:37,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:29:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:29:41,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:29:41,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:29:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:29:42,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:29:56,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:29:59,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:30:00,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:00,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 698 states and 810 transitions. [2024-12-06 05:30:00,159 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 810 transitions. [2024-12-06 05:30:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:30:00,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:00,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:00,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:30:00,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:30:00,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:30:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:03,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:30:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:07,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:30:07,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:30:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:30:07,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:30:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-12-06 05:30:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-12-06 05:30:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 05:30:08,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:08,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:08,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:30:08,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:30:08,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:30:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:19,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:30:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:24,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 2851 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:30:24,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:30:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:30:24,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:30:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 696 states and 808 transitions. [2024-12-06 05:30:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 808 transitions. [2024-12-06 05:30:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:30:25,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:25,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:25,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:30:25,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:30:25,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:30:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:33,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:30:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:30:37,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:30:37,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:30:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:30:38,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:30:52,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:30:56,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:30:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:30:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 695 states and 807 transitions. [2024-12-06 05:30:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 807 transitions. [2024-12-06 05:30:57,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 05:30:57,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:30:57,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:30:57,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:30:57,128 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:30:57,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:31:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:09,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:31:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:13,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:31:13,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:31:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:31:15,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:31:30,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:31:34,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:31:38,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:31:38,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 697 states and 809 transitions. [2024-12-06 05:31:38,415 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 809 transitions. [2024-12-06 05:31:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:31:38,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:31:38,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:31:38,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:31:38,417 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:31:38,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:31:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:50,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:31:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:31:55,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 2881 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:31:55,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:31:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:31:56,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:32:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:01,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 699 states and 811 transitions. [2024-12-06 05:32:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 811 transitions. [2024-12-06 05:32:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:32:01,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:01,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:01,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:01,761 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:01,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:32:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:13,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:32:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:20,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:32:20,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:32:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:32:22,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:32:28,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 701 states and 813 transitions. [2024-12-06 05:32:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 813 transitions. [2024-12-06 05:32:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:32:28,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:28,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:28,057 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:28,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:32:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:40,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:32:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:47,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 2911 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:32:47,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:32:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:32:49,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:32:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 703 states and 815 transitions. [2024-12-06 05:32:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 815 transitions. [2024-12-06 05:32:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:32:55,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:55,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:55,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:55,657 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:55,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:33:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:07,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:33:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:14,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 2926 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:33:14,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:33:17,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:33:24,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 705 states and 817 transitions. [2024-12-06 05:33:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 817 transitions. [2024-12-06 05:33:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:33:24,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:24,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:24,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:33:24,380 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:33:24,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:33:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:37,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:33:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:33:44,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 2941 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:33:44,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:33:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:33:47,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 05:33:54,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:33:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 707 states and 819 transitions. [2024-12-06 05:33:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 819 transitions. [2024-12-06 05:33:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:33:54,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:33:54,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:33:54,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:33:54,740 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:33:54,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:34:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:07,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:34:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:14,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 2956 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:34:14,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:34:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:34:17,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 05:34:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 709 states and 821 transitions. [2024-12-06 05:34:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 821 transitions. [2024-12-06 05:34:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:34:26,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:26,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:34:26,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:34:26,122 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:34:26,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:34:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:39,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:34:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:34:46,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 2971 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 05:34:46,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:34:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:34:49,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 05:34:58,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:34:58,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 711 states and 823 transitions. [2024-12-06 05:34:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 823 transitions. [2024-12-06 05:34:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 05:34:58,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:34:58,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:34:58,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:34:58,490 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:34:58,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:35:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:11,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:35:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:18,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 2986 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 05:35:18,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:35:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:35:22,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 05:35:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:35:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 713 states and 825 transitions. [2024-12-06 05:35:31,962 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 825 transitions. [2024-12-06 05:35:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:35:31,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:35:31,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:35:31,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:35:31,964 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:35:31,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 05:35:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:45,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:35:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:35:52,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 3001 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 05:35:52,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:35:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:35:56,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 05:36:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:36:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 715 states and 827 transitions. [2024-12-06 05:36:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 827 transitions. [2024-12-06 05:36:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 05:36:06,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:36:06,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:36:06,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:36:06,650 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:36:06,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 05:36:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:14,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:36:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:21,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 3016 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 05:36:21,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:36:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:36:26,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 05:36:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:36:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 713 states and 824 transitions. [2024-12-06 05:36:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 824 transitions. [2024-12-06 05:36:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:36:34,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:36:34,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:36:34,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:36:34,892 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:36:34,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 05:36:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:44,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:36:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:36:50,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 3018 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:36:50,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:36:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 05:36:53,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 05:37:11,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:37:17,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:38:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:38:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 715 states and 829 transitions. [2024-12-06 05:38:17,619 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 829 transitions. [2024-12-06 05:38:17,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:38:17,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:38:17,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:38:17,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:38:17,624 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:38:17,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 05:38:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:38:34,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:38:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:38:40,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 3018 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:38:40,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:38:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 05:38:48,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-12-06 05:39:10,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.80s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:39:17,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 05:40:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:40:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 717 states and 831 transitions. [2024-12-06 05:40:44,304 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 831 transitions. [2024-12-06 05:40:44,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:40:44,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:40:44,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:40:44,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:40:44,306 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:40:44,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6b5b836-5873-4529-9ef4-bcde1c36894e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 05:40:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:40:48,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:40:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:40:53,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 3031 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:40:53,505 INFO L279 TraceCheckSpWp]: Computing forward predicates...