./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC --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 f78eb3bd6243e56025d38ea44716c81630a57505e69e1c5e81a8ab68f6ac9a28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:47,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:48,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:29:48,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:48,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:48,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:48,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:48,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:48,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:48,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:48,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:48,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:48,096 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:29:48,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:48,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:29:48,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:48,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:48,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:48,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:48,105 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:48,105 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:48,106 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:29:48,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:48,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:48,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:48,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:48,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:48,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:48,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:48,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:48,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:48,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:48,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:48,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:48,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:48,114 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_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78eb3bd6243e56025d38ea44716c81630a57505e69e1c5e81a8ab68f6ac9a28 [2023-11-23 20:29:48,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:48,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:48,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:48,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:48,566 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:48,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c [2023-11-23 20:29:51,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:52,176 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:52,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c [2023-11-23 20:29:52,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/data/be79ac28f/11746384b27c4a8f8027f5a39005aec4/FLAGb071b57a1 [2023-11-23 20:29:52,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/data/be79ac28f/11746384b27c4a8f8027f5a39005aec4 [2023-11-23 20:29:52,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:52,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:52,210 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:52,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:52,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:52,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675ec626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52, skipping insertion in model container [2023-11-23 20:29:52,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:52,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:52,458 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:52,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:52,503 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:52,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52 WrapperNode [2023-11-23 20:29:52,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:52,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:52,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:52,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:52,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,557 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-23 20:29:52,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:52,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:52,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:52,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:52,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:52,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:52,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:52,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:52,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:52" (1/1) ... [2023-11-23 20:29:52,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:52,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:52,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:52,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216d3bc8-49ce-4415-9d90-6d01c1f5d01b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:29:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:52,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:52,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:29:52,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:29:52,800 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:52,805 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:53,014 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:53,047 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:53,047 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:29:53,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:53 BoogieIcfgContainer [2023-11-23 20:29:53,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:53,051 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:53,051 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:53,064 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:53,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:53" (1/1) ... [2023-11-23 20:29:53,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:29:53,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-23 20:29:53,148 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-23 20:29:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:29:53,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:53,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-23 20:29:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-23 20:29:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:29:53,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:53,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:29:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:29:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:29:53,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:53,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-23 20:29:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-23 20:29:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:29:53,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:53,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:29:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:29:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:29:53,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:53,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:53,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:53,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:53,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-23 20:29:53,968 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-23 20:29:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:29:53,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:53,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:54,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:54,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-23 20:29:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-23 20:29:54,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:29:54,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:54,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:54,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:54,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-23 20:29:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-23 20:29:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:29:54,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:54,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:54,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:54,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-23 20:29:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-23 20:29:54,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:29:54,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:54,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:54,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:54,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-23 20:29:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-23 20:29:55,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:29:55,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:55,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:55,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:55,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-23 20:29:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-23 20:29:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:29:55,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:55,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:55,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:55,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-23 20:29:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-23 20:29:56,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:29:56,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:56,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:56,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:29:56,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-23 20:29:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-23 20:29:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:29:57,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:57,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:57,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:57,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:29:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-23 20:29:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-23 20:29:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:29:58,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:58,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:58,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:29:58,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:58,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:58,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 135 transitions. [2023-11-23 20:29:58,741 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-11-23 20:29:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:29:58,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:58,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:58,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:29:58,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:00,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 164 transitions. [2023-11-23 20:30:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-11-23 20:30:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:30:00,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:00,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:00,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:00,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:30:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 174 transitions. [2023-11-23 20:30:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2023-11-23 20:30:01,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:30:01,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:01,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 189 transitions. [2023-11-23 20:30:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2023-11-23 20:30:01,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:30:01,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:01,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:01,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:30:01,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 208 transitions. [2023-11-23 20:30:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2023-11-23 20:30:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:30:03,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:03,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:03,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:30:03,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 132 states and 228 transitions. [2023-11-23 20:30:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 228 transitions. [2023-11-23 20:30:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:04,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:04,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:04,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:04,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 138 states and 240 transitions. [2023-11-23 20:30:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2023-11-23 20:30:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:05,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:05,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:05,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:05,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 140 states and 241 transitions. [2023-11-23 20:30:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 241 transitions. [2023-11-23 20:30:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:06,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:06,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:06,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:06,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:06,310 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 143 states and 243 transitions. [2023-11-23 20:30:06,806 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2023-11-23 20:30:06,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:06,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:06,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:06,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:06,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 146 states and 245 transitions. [2023-11-23 20:30:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2023-11-23 20:30:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:30:07,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:07,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:07,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:07,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:08,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 150 states and 262 transitions. [2023-11-23 20:30:08,111 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 262 transitions. [2023-11-23 20:30:08,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:30:08,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:08,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:08,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:08,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:10,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 167 states and 286 transitions. [2023-11-23 20:30:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 286 transitions. [2023-11-23 20:30:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:30:10,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:10,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:10,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:30:10,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 177 states and 310 transitions. [2023-11-23 20:30:11,474 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 310 transitions. [2023-11-23 20:30:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:30:11,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:11,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:11,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:30:11,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:12,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 187 states and 331 transitions. [2023-11-23 20:30:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 331 transitions. [2023-11-23 20:30:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:30:12,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:12,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:12,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:12,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:13,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 193 states and 344 transitions. [2023-11-23 20:30:13,867 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 344 transitions. [2023-11-23 20:30:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:30:13,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:13,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:13,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:13,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:14,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 196 states and 346 transitions. [2023-11-23 20:30:14,590 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 346 transitions. [2023-11-23 20:30:14,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:30:14,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:14,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:14,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:14,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:15,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 198 states and 347 transitions. [2023-11-23 20:30:15,455 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 347 transitions. [2023-11-23 20:30:15,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:30:15,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:15,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:15,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:15,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:15,569 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 201 states and 349 transitions. [2023-11-23 20:30:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 349 transitions. [2023-11-23 20:30:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:30:16,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:16,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:16,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 204 states and 351 transitions. [2023-11-23 20:30:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 351 transitions. [2023-11-23 20:30:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:30:16,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:16,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:30:16,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:17,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 208 states and 371 transitions. [2023-11-23 20:30:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 371 transitions. [2023-11-23 20:30:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:30:17,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:17,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:19,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 219 states and 385 transitions. [2023-11-23 20:30:19,913 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 385 transitions. [2023-11-23 20:30:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:30:19,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:19,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:19,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:30:19,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 227 states and 397 transitions. [2023-11-23 20:30:21,321 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 397 transitions. [2023-11-23 20:30:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:30:21,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:21,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:21,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:30:21,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 237 states and 420 transitions. [2023-11-23 20:30:22,765 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 420 transitions. [2023-11-23 20:30:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:22,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:22,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:22,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 243 states and 432 transitions. [2023-11-23 20:30:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 432 transitions. [2023-11-23 20:30:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:24,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:24,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:24,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:24,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 246 states and 436 transitions. [2023-11-23 20:30:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 436 transitions. [2023-11-23 20:30:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:25,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:25,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:25,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:25,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 249 states and 438 transitions. [2023-11-23 20:30:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 438 transitions. [2023-11-23 20:30:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:26,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:26,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:26,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:27,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:27,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 252 states and 440 transitions. [2023-11-23 20:30:27,387 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 440 transitions. [2023-11-23 20:30:27,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:27,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:27,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:27,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:27,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:28,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 254 states and 441 transitions. [2023-11-23 20:30:28,410 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 441 transitions. [2023-11-23 20:30:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:28,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:28,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:28,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:28,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 257 states and 443 transitions. [2023-11-23 20:30:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 443 transitions. [2023-11-23 20:30:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:30:29,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:29,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:29,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:29,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:30:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 261 states and 464 transitions. [2023-11-23 20:30:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 464 transitions. [2023-11-23 20:30:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:30:30,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:30,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:30,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:30:30,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:31,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 268 states and 475 transitions. [2023-11-23 20:30:31,697 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 475 transitions. [2023-11-23 20:30:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:30:31,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:31,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:31,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:30:31,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 273 states and 478 transitions. [2023-11-23 20:30:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 478 transitions. [2023-11-23 20:30:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:30:33,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:33,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:33,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:30:33,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 285 states and 520 transitions. [2023-11-23 20:30:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 520 transitions. [2023-11-23 20:30:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:30:35,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:35,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:35,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:30:35,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:30:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 291 states and 535 transitions. [2023-11-23 20:30:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 535 transitions. [2023-11-23 20:30:37,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:30:37,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:37,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:37,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:30:37,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:30:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 294 states and 537 transitions. [2023-11-23 20:30:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 537 transitions. [2023-11-23 20:30:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:30:39,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:39,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:39,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:30:39,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:30:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 297 states and 539 transitions. [2023-11-23 20:30:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 539 transitions. [2023-11-23 20:30:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:30:40,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:40,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:40,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:30:40,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.