./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2 --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 4eead35b52b146e528d3235895e151889bbf52901c3f6d3c5a144d0412f9f4ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:11,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:11,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:11,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:11,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:11,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:11,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:11,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:11,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:11,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:11,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:11,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:11,708 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:11,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:11,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:11,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:11,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:11,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:11,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:11,712 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:11,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:11,714 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:11,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:11,715 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:11,716 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:11,716 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:11,717 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:11,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:11,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:11,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:11,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:11,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:11,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:11,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:11,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:11,722 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_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eead35b52b146e528d3235895e151889bbf52901c3f6d3c5a144d0412f9f4ac [2023-11-21 18:25:12,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:12,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:12,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:12,070 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:12,071 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:12,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound50.c [2023-11-21 18:25:15,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:15,488 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:15,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound50.c [2023-11-21 18:25:15,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/data/961309d26/43dad2fc37984e178fe03f7864bedd22/FLAGe6153439a [2023-11-21 18:25:15,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/data/961309d26/43dad2fc37984e178fe03f7864bedd22 [2023-11-21 18:25:15,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:15,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:15,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:15,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:15,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b1272a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15, skipping insertion in model container [2023-11-21 18:25:15,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:15,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:15,798 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:15,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:15,840 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:15,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15 WrapperNode [2023-11-21 18:25:15,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:15,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:15,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:15,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,901 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2023-11-21 18:25:15,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:15,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:15,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:15,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:15,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,917 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:15,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:15,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:15,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:15,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:15,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:15,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:16,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:16,112 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:16,114 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:16,635 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:16,668 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:16,669 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:25:16,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16 BoogieIcfgContainer [2023-11-21 18:25:16,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:16,672 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:16,672 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:16,683 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:16,684 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:16,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 138 states and 145 transitions. [2023-11-21 18:25:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2023-11-21 18:25:16,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:25:16,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-21 18:25:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-21 18:25:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:25:17,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2023-11-21 18:25:17,152 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2023-11-21 18:25:17,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:17,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 146 states and 156 transitions. [2023-11-21 18:25:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2023-11-21 18:25:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:17,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 147 states and 157 transitions. [2023-11-21 18:25:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2023-11-21 18:25:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:17,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 148 states and 158 transitions. [2023-11-21 18:25:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2023-11-21 18:25:17,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:17,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 147 states and 157 transitions. [2023-11-21 18:25:17,603 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2023-11-21 18:25:17,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:17,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 149 states and 159 transitions. [2023-11-21 18:25:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 159 transitions. [2023-11-21 18:25:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:25:17,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:25:17,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:25:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:25:17,724 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2023-11-21 18:25:17,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post5 could not be translated [2023-11-21 18:25:17,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:25:17 ImpRootNode [2023-11-21 18:25:17,756 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:25:17,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:25:17,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:25:17,757 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:25:17,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16" (3/4) ... [2023-11-21 18:25:17,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:25:17,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:25:17,762 INFO L158 Benchmark]: Toolchain (without parser) took 2235.26ms. Allocated memory is still 176.2MB. Free memory was 126.8MB in the beginning and 85.7MB in the end (delta: 41.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,763 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 139.4MB in the end (delta: 33.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:17,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.50ms. Allocated memory is still 176.2MB. Free memory was 126.5MB in the beginning and 115.6MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.98ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,765 INFO L158 Benchmark]: Boogie Preprocessor took 39.22ms. Allocated memory is still 176.2MB. Free memory was 113.5MB in the beginning and 112.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:17,765 INFO L158 Benchmark]: RCFGBuilder took 714.09ms. Allocated memory is still 176.2MB. Free memory was 112.1MB in the beginning and 132.4MB in the end (delta: -20.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,766 INFO L158 Benchmark]: CodeCheck took 1083.78ms. Allocated memory is still 176.2MB. Free memory was 132.4MB in the beginning and 86.3MB in the end (delta: 46.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 18:25:17,767 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 176.2MB. Free memory was 86.3MB in the beginning and 85.7MB in the end (delta: 601.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:25:17,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 138 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 34 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34. Possible FailurePath: [L24] int counter = 0; [L26] int r; [L27] double a, x, s; [L28] a = __VERIFIER_nondet_double() [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [a=2, counter=0, r=1, s=13/4, x=2] [L33] EXPR counter++ VAL [a=2, counter=1, r=1, s=13/4, x=2] [L33] COND TRUE counter++<50 [L34] EXPR 12*r VAL [a=2, counter=1, r=1, s=13/4, x=2] [L34] EXPR 12*r*r VAL [a=2, counter=1, r=1, s=13/4, x=2] [L34] (int)(4*s) - 12*r*r VAL [a=2, counter=1, r=1, s=13/4, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 139.4MB in the end (delta: 33.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.50ms. Allocated memory is still 176.2MB. Free memory was 126.5MB in the beginning and 115.6MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.98ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.22ms. Allocated memory is still 176.2MB. Free memory was 113.5MB in the beginning and 112.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 714.09ms. Allocated memory is still 176.2MB. Free memory was 112.1MB in the beginning and 132.4MB in the end (delta: -20.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * CodeCheck took 1083.78ms. Allocated memory is still 176.2MB. Free memory was 132.4MB in the beginning and 86.3MB in the end (delta: 46.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 176.2MB. Free memory was 86.3MB in the beginning and 85.7MB in the end (delta: 601.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:25:17,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/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_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2 --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 4eead35b52b146e528d3235895e151889bbf52901c3f6d3c5a144d0412f9f4ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:20,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:20,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:25:20,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:20,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:20,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:20,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:20,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:20,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:20,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:20,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:20,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:20,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:20,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:20,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:20,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:20,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:25:20,653 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:25:20,653 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:20,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:25:20,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:20,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:20,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:20,656 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:20,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:20,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:20,657 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:20,658 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:20,658 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:25:20,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:20,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:20,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:20,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:20,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:20,662 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:25:20,662 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:25:20,662 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:20,663 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:25:20,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:25:20,664 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eead35b52b146e528d3235895e151889bbf52901c3f6d3c5a144d0412f9f4ac [2023-11-21 18:25:21,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:21,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:21,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:21,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:21,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:21,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound50.c [2023-11-21 18:25:24,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:24,816 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:24,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/sv-benchmarks/c/nla-digbench-scaling/freire2_unwindbound50.c [2023-11-21 18:25:24,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/data/2f97a9ef0/8e29673b368f46d9908b990227a542cc/FLAGcf78f7865 [2023-11-21 18:25:24,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/data/2f97a9ef0/8e29673b368f46d9908b990227a542cc [2023-11-21 18:25:24,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:24,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:24,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:24,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:24,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:24,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:24" (1/1) ... [2023-11-21 18:25:24,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d0a57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:24, skipping insertion in model container [2023-11-21 18:25:24,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:24" (1/1) ... [2023-11-21 18:25:24,900 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:25,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:25,200 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:25,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:25,286 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:25,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25 WrapperNode [2023-11-21 18:25:25,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:25,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:25,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:25,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:25,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,357 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-21 18:25:25,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:25,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:25,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:25,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:25,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:25,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:25,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:25,435 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:25,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:25" (1/1) ... [2023-11-21 18:25:25,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:25,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:25,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:25,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:25:25,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:25,598 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:25,601 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:16,797 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:16,836 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:16,837 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:26:16,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:16 BoogieIcfgContainer [2023-11-21 18:26:16,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:16,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:16,841 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:16,852 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:16,853 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:16" (1/1) ... [2023-11-21 18:26:16,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 138 states and 145 transitions. [2023-11-21 18:26:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2023-11-21 18:26:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:26:16,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:16,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:16,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:16,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:16,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:26:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:17,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:17,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:26:17,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:17,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2023-11-21 18:26:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2023-11-21 18:26:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:26:17,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:17,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:17,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:17,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:17,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:26:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:17,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:17,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:17,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:17,313 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:26:17,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-21 18:26:17,477 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-21 18:26:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:26:17,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:17,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:17,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:17,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:17,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:26:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:17,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:17,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:17,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:17,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 145 states and 155 transitions. [2023-11-21 18:26:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2023-11-21 18:26:18,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:26:18,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:18,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:18,472 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:18,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:26:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:18,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:18,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 146 states and 157 transitions. [2023-11-21 18:26:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 157 transitions. [2023-11-21 18:26:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:26:18,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:18,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:18,674 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:18,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:26:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:18,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:18,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 147 states and 158 transitions. [2023-11-21 18:26:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 158 transitions. [2023-11-21 18:26:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:26:18,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:18,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:18,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:18,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-21 18:26:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:19,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:19,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 148 states and 159 transitions. [2023-11-21 18:26:19,185 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2023-11-21 18:26:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:26:19,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:19,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:19,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:19,191 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:19,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-21 18:26:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:19,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:19,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:19,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:19,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 149 states and 160 transitions. [2023-11-21 18:26:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 160 transitions. [2023-11-21 18:26:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:26:19,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:19,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:19,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:19,663 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:19,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-21 18:26:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:19,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:19,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-21 18:26:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 150 states and 161 transitions. [2023-11-21 18:26:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 161 transitions. [2023-11-21 18:26:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:26:20,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:20,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:20,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:20,143 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:20,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-21 18:26:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:20,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:26:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:20,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:20,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:20,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b110b830-a6a7-437d-98c1-c1ab85e2316f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0