./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/geo2-ll.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_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/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_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/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_bc4f3dea-edab-48f7-ac2e-af936be62f5c/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 2a98a4f6d4468ae083fd187468f200dfe4bbfca67ec0169dca0f5ba03f377742 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:54:33,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:54:33,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:54:33,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:54:33,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:54:34,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:54:34,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:54:34,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:54:34,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:54:34,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:54:34,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:54:34,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:54:34,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:54:34,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:54:34,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:54:34,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:54:34,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:54:34,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:54:34,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:54:34,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:54:34,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:54:34,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:54:34,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:54:34,057 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:54:34,057 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:54:34,057 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:54:34,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:54:34,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:54:34,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:54:34,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:54:34,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:54:34,061 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:54:34,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:54:34,074 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_bc4f3dea-edab-48f7-ac2e-af936be62f5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a98a4f6d4468ae083fd187468f200dfe4bbfca67ec0169dca0f5ba03f377742 [2024-11-08 22:54:34,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:54:34,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:54:34,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:54:34,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:54:34,444 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:54:34,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/geo2-ll.c Unable to find full path for "g++" [2024-11-08 22:54:36,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:54:36,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:54:36,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/sv-benchmarks/c/nla-digbench/geo2-ll.c [2024-11-08 22:54:36,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/data/348287edd/1b5a635851e84ff4b90f05f05751046f/FLAG7450def1d [2024-11-08 22:54:36,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/data/348287edd/1b5a635851e84ff4b90f05f05751046f [2024-11-08 22:54:36,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:54:36,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:54:36,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:54:36,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:54:36,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:54:36,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:54:36" (1/1) ... [2024-11-08 22:54:36,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bf0cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:36, skipping insertion in model container [2024-11-08 22:54:36,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:54:36" (1/1) ... [2024-11-08 22:54:36,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:54:37,021 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_bc4f3dea-edab-48f7-ac2e-af936be62f5c/sv-benchmarks/c/nla-digbench/geo2-ll.c[525,538] [2024-11-08 22:54:37,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:54:37,052 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:54:37,063 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_bc4f3dea-edab-48f7-ac2e-af936be62f5c/sv-benchmarks/c/nla-digbench/geo2-ll.c[525,538] [2024-11-08 22:54:37,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:54:37,089 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:54:37,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37 WrapperNode [2024-11-08 22:54:37,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:54:37,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:54:37,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:54:37,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:54:37,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,125 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-08 22:54:37,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:54:37,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:54:37,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:54:37,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:54:37,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,141 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:54:37,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:54:37,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:54:37,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:54:37,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:54:37,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:54:37,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:54:37,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc4f3dea-edab-48f7-ac2e-af936be62f5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:54:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:54:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:54:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:54:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:54:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:54:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:54:37,290 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:54:37,293 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:54:37,433 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:54:37,434 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:54:37,477 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:54:37,477 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:54:37,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:54:37 BoogieIcfgContainer [2024-11-08 22:54:37,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:54:37,479 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:54:37,479 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:54:37,491 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:54:37,492 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:54:37" (1/1) ... [2024-11-08 22:54:37,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:54:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:37,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 22:54:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 22:54:37,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:54:37,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:37,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:54:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:37,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:54:37,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:37,867 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 22:54:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 22:54:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 22:54:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:54:37,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:37,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:54:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 22:54:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 22:54:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:54:38,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:54:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:39,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:54:39,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:54:48,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:54:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-08 22:54:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-08 22:54:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:54:49,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:49,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:54:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:49,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:54:49,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:55:16,273 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:56:12,983 WARN L286 SmtUtils]: Spent 11.86s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:56:31,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:56:31,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2024-11-08 22:56:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-11-08 22:56:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:56:31,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:31,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:56:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:56:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:31,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:56:31,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:57:44,288 WARN L286 SmtUtils]: Spent 10.87s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:57:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2024-11-08 22:57:51,644 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-11-08 22:57:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:57:51,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:51,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:57:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:51,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 22:57:51,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:59:15,996 WARN L286 SmtUtils]: Spent 15.24s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:59:18,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:59:21,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:59:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:34,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-08 22:59:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-08 22:59:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:59:34,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:34,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:59:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:59:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:34,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:59:34,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:00:17,735 WARN L286 SmtUtils]: Spent 11.33s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:01:33,488 WARN L286 SmtUtils]: Spent 35.39s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:02:08,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-11-08 23:02:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-08 23:02:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:02:08,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:08,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 23:02:08,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 22 proven. 62 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 23:04:02,558 WARN L286 SmtUtils]: Spent 48.95s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:04:55,655 WARN L286 SmtUtils]: Spent 29.67s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:05:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:35,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2024-11-08 23:05:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2024-11-08 23:05:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:05:35,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:35,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:05:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:05:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:36,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-08 23:05:36,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 26 proven. 83 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 23:06:49,152 WARN L286 SmtUtils]: Spent 31.22s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:08:03,931 WARN L286 SmtUtils]: Spent 42.11s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:08:13,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:09:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2024-11-08 23:09:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2024-11-08 23:09:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 23:09:29,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:29,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:09:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:09:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:30,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-08 23:09:30,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 43 proven. 118 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.