./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/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_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:51:27,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:51:27,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:51:27,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:51:27,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:51:27,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:51:27,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:51:27,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:51:27,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:51:27,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:51:27,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:51:27,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:51:27,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:51:27,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:51:27,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:51:27,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:51:27,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:51:27,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:51:27,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:51:27,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:51:27,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:51:27,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:51:27,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:51:27,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:51:27,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:51:27,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:51:27,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:51:27,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:51:27,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:51:27,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:51:27,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:51:27,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:51:27,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:51:27,930 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_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 [2024-11-08 22:51:28,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:51:28,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:51:28,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:51:28,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:51:28,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:51:28,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c Unable to find full path for "g++" [2024-11-08 22:51:30,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:51:30,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:51:30,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2024-11-08 22:51:30,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/data/095f59d24/998b64fc7d024be79be714463eb648e6/FLAG7818b0976 [2024-11-08 22:51:30,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/data/095f59d24/998b64fc7d024be79be714463eb648e6 [2024-11-08 22:51:30,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:51:30,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:51:30,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:51:30,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:51:30,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:51:30,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:30,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ca8fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30, skipping insertion in model container [2024-11-08 22:51:30,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:30,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:51:30,911 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c[526,539] [2024-11-08 22:51:30,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:51:30,946 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:51:30,962 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c[526,539] [2024-11-08 22:51:30,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:51:30,993 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:51:30,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30 WrapperNode [2024-11-08 22:51:30,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:51:30,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:51:30,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:51:30,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:51:31,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,032 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-11-08 22:51:31,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:51:31,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:51:31,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:51:31,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:51:31,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:51:31,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:51:31,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:51:31,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:51:31,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:51:30" (1/1) ... [2024-11-08 22:51:31,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:51:31,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:51:31,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:51:31,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:51:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:51:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:51:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:51:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:51:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:51:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:51:31,227 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:51:31,230 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:51:31,408 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:51:31,409 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:51:31,486 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:51:31,487 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:51:31,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:51:31 BoogieIcfgContainer [2024-11-08 22:51:31,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:51:31,488 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:51:31,489 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:51:31,510 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:51:31,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:51:31" (1/1) ... [2024-11-08 22:51:31,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:51:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-08 22:51:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-08 22:51:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:51:31,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:31,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:31,793 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 22:51:31,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-08 22:51:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-08 22:51:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:51:31,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:31,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:32,125 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 22:51:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2024-11-08 22:51:32,262 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-08 22:51:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:51:32,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:32,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:32,401 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 22:51:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2024-11-08 22:51:32,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-08 22:51:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:51:32,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:32,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:51:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2024-11-08 22:51:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-08 22:51:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:51:33,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:33,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:33,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:51:33,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:51:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2024-11-08 22:51:34,673 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-08 22:51:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:51:34,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:34,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:51:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 76 transitions. [2024-11-08 22:51:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2024-11-08 22:51:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:51:35,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:35,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:35,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:51:36,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:51:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 85 transitions. [2024-11-08 22:51:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2024-11-08 22:51:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:51:36,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:36,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:51:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 86 transitions. [2024-11-08 22:51:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2024-11-08 22:51:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:51:37,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:37,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:51:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 97 transitions. [2024-11-08 22:51:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2024-11-08 22:51:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:51:38,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:38,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:51:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 57 states and 98 transitions. [2024-11-08 22:51:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2024-11-08 22:51:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:51:39,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:39,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:39,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:51:39,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:39,467 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:51:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 63 states and 112 transitions. [2024-11-08 22:51:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2024-11-08 22:51:41,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:51:41,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:41,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:41,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:51:41,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:41,284 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:51:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 113 transitions. [2024-11-08 22:51:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2024-11-08 22:51:41,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 22:51:41,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:41,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:41,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:51:41,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:51:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 68 states and 123 transitions. [2024-11-08 22:51:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2024-11-08 22:51:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:51:42,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:42,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:51:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 73 states and 133 transitions. [2024-11-08 22:51:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 133 transitions. [2024-11-08 22:51:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:51:43,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:43,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 22:51:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 137 transitions. [2024-11-08 22:51:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 137 transitions. [2024-11-08 22:51:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:51:44,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:44,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 22:51:46,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 82 states and 152 transitions. [2024-11-08 22:51:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2024-11-08 22:51:46,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:51:46,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:46,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:46,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:51:46,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-08 22:51:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 156 transitions. [2024-11-08 22:51:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 156 transitions. [2024-11-08 22:51:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:51:47,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:47,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 22:51:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 53 states and 90 transitions. [2024-11-08 22:51:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2024-11-08 22:51:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:51:48,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:48,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:48,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:51:48,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-08 22:51:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 53 states and 88 transitions. [2024-11-08 22:51:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2024-11-08 22:51:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:51:49,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:49,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:51:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:51:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:51:49,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:51:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:51:49,515 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-11-08 22:51:49,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:51:49 ImpRootNode [2024-11-08 22:51:49,594 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:51:49,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:51:49,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:51:49,595 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:51:49,596 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:51:31" (3/4) ... [2024-11-08 22:51:49,597 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:51:49,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:51:49,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:51:49,695 INFO L158 Benchmark]: Toolchain (without parser) took 19054.64ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 92.1MB in the beginning and 80.0MB in the end (delta: 12.1MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2024-11-08 22:51:49,695 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:51:49,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.47ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 79.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:51:49,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.79ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:51:49,700 INFO L158 Benchmark]: Boogie Preprocessor took 40.93ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:51:49,700 INFO L158 Benchmark]: RCFGBuilder took 412.82ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 76.4MB in the beginning and 132.2MB in the end (delta: -55.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-08 22:51:49,701 INFO L158 Benchmark]: CodeCheck took 18105.93ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 132.1MB in the beginning and 83.2MB in the end (delta: 48.9MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2024-11-08 22:51:49,701 INFO L158 Benchmark]: Witness Printer took 98.96ms. Allocated memory is still 197.1MB. Free memory was 83.2MB in the beginning and 80.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:51:49,706 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1459 SdHoareTripleChecker+Valid, 10.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 622 mSDsluCounter, 1610 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 638 mSDsCounter, 1469 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4239 IncrementalHoareTripleChecker+Invalid, 5708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1469 mSolverCounterUnsat, 972 mSDtfsCounter, 4239 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4959 GetRequests, 4616 SyntacticMatches, 101 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28277 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 529 ConstructedInterpolants, 0 QuantifiedInterpolants, 1382 SizeOfPredicates, 9 NumberOfNonLiveVariables, 818 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 676/735 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] int A, B; [L25] int r, d, p, q; [L26] A = __VERIFIER_nondet_int() [L27] B = 1 [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=1, B=1, counter=0, d=1, p=1, q=0, r=1] [L34] EXPR counter++ VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=1, B=1, counter=1, d=2, p=2, q=0, r=1] [L34] EXPR counter++ VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L38] COND TRUE !(r >= d) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L44] EXPR counter++ VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L44] COND FALSE !(counter++<2) [L58] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L58] RET __VERIFIER_assert(A == d*q + r) VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L59] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.47ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 79.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.79ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.93ms. Allocated memory is still 134.2MB. Free memory was 77.5MB in the beginning and 76.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.82ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 76.4MB in the beginning and 132.2MB in the end (delta: -55.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * CodeCheck took 18105.93ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 132.1MB in the beginning and 83.2MB in the end (delta: 48.9MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * Witness Printer took 98.96ms. Allocated memory is still 197.1MB. Free memory was 83.2MB in the beginning and 80.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:51:49,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae7efb6-b5bf-43a7-9fc5-0e43df82cd58/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE