./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d94a3da3db9550646108ab2896efbec5cb4c1aaac9b3aa0cc18eed94f30dde4d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:25:57,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:25:58,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 19:25:58,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:25:58,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:25:58,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:25:58,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:25:58,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:25:58,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:25:58,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:25:58,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:25:58,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:25:58,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:25:58,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:25:58,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:25:58,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:25:58,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:25:58,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:25:58,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:25:58,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:25:58,117 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:25:58,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:25:58,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:25:58,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:25:58,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:25:58,123 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:25:58,123 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:25:58,124 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:25:58,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:25:58,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:25:58,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:25:58,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:25:58,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:25:58,125 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:25:58,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:25:58,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94a3da3db9550646108ab2896efbec5cb4c1aaac9b3aa0cc18eed94f30dde4d [2024-11-08 19:25:58,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:25:58,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:25:58,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:25:58,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:25:58,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:25:58,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c Unable to find full path for "g++" [2024-11-08 19:26:00,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:26:00,749 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:26:00,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c [2024-11-08 19:26:00,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/data/002fcd2fb/2cfcd34eb3184d87865cf1997fc9aede/FLAG0ecb29bca [2024-11-08 19:26:00,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/data/002fcd2fb/2cfcd34eb3184d87865cf1997fc9aede [2024-11-08 19:26:00,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:26:00,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:26:00,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:00,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:26:00,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:26:00,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:00" (1/1) ... [2024-11-08 19:26:00,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d44809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:00, skipping insertion in model container [2024-11-08 19:26:00,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:00" (1/1) ... [2024-11-08 19:26:00,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:26:01,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:01,081 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:26:01,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:01,128 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:26:01,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01 WrapperNode [2024-11-08 19:26:01,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:01,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:01,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:26:01,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:26:01,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,147 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,171 INFO L138 Inliner]: procedures = 16, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2024-11-08 19:26:01,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:01,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:26:01,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:26:01,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:26:01,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:26:01,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:26:01,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:26:01,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:26:01,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:01" (1/1) ... [2024-11-08 19:26:01,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:01,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:26:01,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:26:01,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:26:01,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:26:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2024-11-08 19:26:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2024-11-08 19:26:01,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:26:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:26:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:26:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:26:01,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:26:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:26:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:26:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:26:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:26:01,408 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:26:01,411 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:26:02,163 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-08 19:26:02,164 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:26:02,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:26:02,225 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:26:02,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:02 BoogieIcfgContainer [2024-11-08 19:26:02,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:26:02,227 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:26:02,229 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:26:02,242 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:26:02,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:02" (1/1) ... [2024-11-08 19:26:02,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:02,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 104 states and 107 transitions. [2024-11-08 19:26:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 107 transitions. [2024-11-08 19:26:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:26:02,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:02,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:03,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 110 transitions. [2024-11-08 19:26:03,533 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2024-11-08 19:26:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:26:03,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:03,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:03,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 111 transitions. [2024-11-08 19:26:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2024-11-08 19:26:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:26:04,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:04,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 113 states and 118 transitions. [2024-11-08 19:26:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-08 19:26:05,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:26:05,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:05,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:05,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 114 states and 119 transitions. [2024-11-08 19:26:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2024-11-08 19:26:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:26:05,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:05,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:26:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:05,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:26:05,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:06,104 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-08 19:26:06,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 32 [2024-11-08 19:26:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-08 19:26:06,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 19:26:06,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-11-08 19:26:06,188 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:06,189 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:06,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-11-08 19:26:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2024-11-08 19:26:06,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-08 19:26:06,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2024-11-08 19:26:06,304 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:06,305 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-11-08 19:26:06,314 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:06,315 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:06,316 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:06,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:06,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 115 states and 120 transitions. [2024-11-08 19:26:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2024-11-08 19:26:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:26:06,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:26:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:06,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:26:06,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:06,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:06,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:07,068 INFO L349 Elim1Store]: treesize reduction 312, result has 29.7 percent of original size [2024-11-08 19:26:07,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 818 treesize of output 739 [2024-11-08 19:26:07,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2024-11-08 19:26:07,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-08 19:26:07,456 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:07,458 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-11-08 19:26:07,623 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:07,624 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2024-11-08 19:26:07,801 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:07,803 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-11-08 19:26:07,872 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:07,874 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-11-08 19:26:08,080 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:08,081 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2024-11-08 19:26:08,174 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:08,176 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2024-11-08 19:26:08,633 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:08,635 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2024-11-08 19:26:08,876 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:08,877 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2024-11-08 19:26:08,976 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:08,977 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2024-11-08 19:26:09,190 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:09,192 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 233 [2024-11-08 19:26:09,606 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:09,608 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2024-11-08 19:26:10,270 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:10,271 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2024-11-08 19:26:10,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 2279 treesize of output 2232 [2024-11-08 19:26:13,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 240 [2024-11-08 19:26:13,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 240 [2024-11-08 19:26:14,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 107 [2024-11-08 19:26:14,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 333 [2024-11-08 19:26:14,423 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) 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) [2024-11-08 19:26:14,426 INFO L158 Benchmark]: Toolchain (without parser) took 13646.54ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 104.8MB in the beginning and 92.4MB in the end (delta: 12.4MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2024-11-08 19:26:14,427 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 146.8MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:26:14,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.34ms. Allocated memory is still 146.8MB. Free memory was 104.3MB in the beginning and 91.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:26:14,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.95ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 90.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:26:14,429 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:26:14,430 INFO L158 Benchmark]: RCFGBuilder took 1020.36ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 62.4MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 19:26:14,430 INFO L158 Benchmark]: CodeCheck took 12198.31ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 62.4MB in the beginning and 92.4MB in the end (delta: -30.0MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-11-08 19:26:14,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 146.8MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.34ms. Allocated memory is still 146.8MB. Free memory was 104.3MB in the beginning and 91.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.95ms. Allocated memory is still 146.8MB. Free memory was 91.7MB in the beginning and 90.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1020.36ms. Allocated memory is still 146.8MB. Free memory was 88.4MB in the beginning and 62.4MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 12198.31ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 62.4MB in the beginning and 92.4MB in the end (delta: -30.0MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:26:14,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d94a3da3db9550646108ab2896efbec5cb4c1aaac9b3aa0cc18eed94f30dde4d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:26:17,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:26:17,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-08 19:26:17,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:26:17,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:26:17,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:26:17,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:26:17,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:26:17,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:26:17,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:26:17,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:26:17,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:26:17,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:26:17,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:26:17,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:26:17,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:26:17,276 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:26:17,279 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:26:17,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:26:17,280 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:26:17,280 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:26:17,281 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:26:17,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:26:17,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:26:17,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:26:17,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:26:17,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:26:17,283 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:26:17,283 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:26:17,283 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:26:17,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:26:17,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:17,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:26:17,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:26:17,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:26:17,287 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:26:17,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:26:17,288 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:26:17,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94a3da3db9550646108ab2896efbec5cb4c1aaac9b3aa0cc18eed94f30dde4d [2024-11-08 19:26:17,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:26:17,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:26:17,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:26:17,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:26:17,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:26:17,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c Unable to find full path for "g++" [2024-11-08 19:26:20,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:26:20,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:26:20,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3.c [2024-11-08 19:26:20,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/data/a2e6edec2/785978834fb84e11927414d867e4960a/FLAGad19851f5 [2024-11-08 19:26:20,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/data/a2e6edec2/785978834fb84e11927414d867e4960a [2024-11-08 19:26:20,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:26:20,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:26:20,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:20,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:26:20,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:26:20,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2929a679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20, skipping insertion in model container [2024-11-08 19:26:20,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:26:20,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:20,768 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:26:20,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:26:20,862 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:26:20,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20 WrapperNode [2024-11-08 19:26:20,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:26:20,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:20,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:26:20,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:26:20,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,923 INFO L138 Inliner]: procedures = 18, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-11-08 19:26:20,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:26:20,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:26:20,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:26:20,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:26:20,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:26:20,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:26:20,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:26:20,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:26:20,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:26:20" (1/1) ... [2024-11-08 19:26:20,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:26:21,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:26:21,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:26:21,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:26:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:26:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2024-11-08 19:26:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2024-11-08 19:26:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:26:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:26:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:26:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:26:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:26:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:26:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:26:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:26:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:26:21,238 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:26:21,241 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:26:25,505 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-08 19:26:25,505 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:26:25,586 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:26:25,586 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:26:25,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:25 BoogieIcfgContainer [2024-11-08 19:26:25,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:26:25,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:26:25,590 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:26:25,600 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:26:25,600 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:25" (1/1) ... [2024-11-08 19:26:25,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 104 states and 107 transitions. [2024-11-08 19:26:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 107 transitions. [2024-11-08 19:26:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:26:25,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:25,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:26:25,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:26:25,701 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:26:25,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:26:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:25,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:26:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:25,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 19:26:26,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:26,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:26,971 INFO L349 Elim1Store]: treesize reduction 216, result has 27.5 percent of original size [2024-11-08 19:26:26,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 234 treesize of output 290 [2024-11-08 19:26:27,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 19:26:27,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 358 treesize of output 342 [2024-11-08 19:26:27,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 19:26:27,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 19:26:27,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 19:26:27,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 19:26:27,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 19:26:28,579 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:28,633 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:28,637 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:28,710 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-08 19:26:28,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 131 treesize of output 104 [2024-11-08 19:26:28,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:26:29,025 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:29,054 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:29,063 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:29,166 INFO L349 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2024-11-08 19:26:29,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 153 treesize of output 134 [2024-11-08 19:26:29,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:26:29,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:26:29,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:26:30,531 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:30,533 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2024-11-08 19:26:30,588 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:30,589 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2024-11-08 19:26:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:30,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2024-11-08 19:26:30,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:26:30,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:26:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:30,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:26:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:31,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 110 transitions. [2024-11-08 19:26:31,012 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2024-11-08 19:26:31,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:26:31,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:31,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:26:31,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:26:31,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:26:31,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:26:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:31,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:26:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:31,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:26:31,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:31,288 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 19:26:31,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-08 19:26:31,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 19:26:31,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 19:26:31,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2024-11-08 19:26:31,342 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 19:26:31,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2024-11-08 19:26:31,353 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 19:26:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 35 [2024-11-08 19:26:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2024-11-08 19:26:31,405 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:31,405 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-08 19:26:31,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:26:31,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 40 [2024-11-08 19:26:31,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2024-11-08 19:26:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:31,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-08 19:26:31,536 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:31,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2024-11-08 19:26:31,584 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:31,585 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:31,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 8 [2024-11-08 19:26:31,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 19:26:31,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 47 [2024-11-08 19:26:31,709 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:31,710 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:31,711 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:31,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:31,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2024-11-08 19:26:31,743 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:31,744 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:31,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:26:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:31,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 111 transitions. [2024-11-08 19:26:31,806 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 111 transitions. [2024-11-08 19:26:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:26:31,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:31,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:26:31,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:26:31,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:26:31,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:26:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:32,046 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:26:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:32,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:26:32,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-11-08 19:26:32,149 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:32,150 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2024-11-08 19:26:32,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:32,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-08 19:26:32,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2024-11-08 19:26:32,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-08 19:26:32,305 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:32,306 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2024-11-08 19:26:32,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:32,416 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-08 19:26:32,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 32 [2024-11-08 19:26:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-08 19:26:32,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 19:26:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:32,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2024-11-08 19:26:32,545 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:32,546 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-11-08 19:26:32,554 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:32,555 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:32,556 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:32,894 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 19:26:32,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 19:26:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 113 states and 118 transitions. [2024-11-08 19:26:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-08 19:26:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:26:34,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:34,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:26:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:26:34,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:26:34,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 19:26:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:34,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:26:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:34,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:26:34,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:26:34,710 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 19:26:34,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:34,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 19:26:34,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 19:26:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:34,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 15 [2024-11-08 19:26:34,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 19:26:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:34,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 15 [2024-11-08 19:26:34,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 19:26:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:34,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 15 [2024-11-08 19:26:34,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 19:26:34,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,014 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2024-11-08 19:26:35,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 73 [2024-11-08 19:26:35,028 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:35,030 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2024-11-08 19:26:35,032 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 19:26:35,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2024-11-08 19:26:35,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:35,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2024-11-08 19:26:35,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:26:35,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 19:26:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-08 19:26:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 19:26:35,220 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-08 19:26:35,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2024-11-08 19:26:35,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:35,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2024-11-08 19:26:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,335 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-11-08 19:26:35,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 1 [2024-11-08 19:26:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 43 [2024-11-08 19:26:35,376 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 19:26:35,382 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 19:26:35,383 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2024-11-08 19:26:35,390 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 19:26:35,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 43 [2024-11-08 19:26:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2024-11-08 19:26:35,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:35,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 17 [2024-11-08 19:26:35,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-08 19:26:35,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-08 19:26:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,562 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-11-08 19:26:35,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 1 [2024-11-08 19:26:35,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 57 [2024-11-08 19:26:35,599 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:35,600 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:35,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 50 [2024-11-08 19:26:35,633 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:35,634 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 19:26:35,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 19:26:35,730 INFO L349 Elim1Store]: treesize reduction 56, result has 1.8 percent of original size [2024-11-08 19:26:35,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 1 [2024-11-08 19:26:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:26:36,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 19:26:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 118 states and 124 transitions. [2024-11-08 19:26:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2024-11-08 19:26:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:26:38,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:38,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:26:38,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:26:38,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:26:38,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97f2b22f-9c34-4080-a668-8aaa203af469/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process