./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:15,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:15,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:35:15,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:15,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:15,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:15,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:15,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:15,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:15,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:15,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:15,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:15,682 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:35:15,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:15,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:35:15,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:15,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:15,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:15,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:15,686 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:15,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:15,687 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:35:15,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:15,688 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:15,689 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:15,689 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:15,690 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:15,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:15,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:15,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:15,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:15,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:15,693 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:15,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:15,694 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:15,694 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_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 [2023-11-21 18:35:15,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:16,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:16,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:16,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:16,009 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:16,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2023-11-21 18:35:19,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:19,302 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:19,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2023-11-21 18:35:19,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/data/0d3edf4bf/3cd618f0f07e47c7aa344924dfb92d6c/FLAGac880d626 [2023-11-21 18:35:19,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/data/0d3edf4bf/3cd618f0f07e47c7aa344924dfb92d6c [2023-11-21 18:35:19,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:19,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:19,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:19,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:19,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:19,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c17e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19, skipping insertion in model container [2023-11-21 18:35:19,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:19,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:19,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:19,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:19,680 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:19,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19 WrapperNode [2023-11-21 18:35:19,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:19,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:19,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:19,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:19,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,729 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-21 18:35:19,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:19,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:19,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:19,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:19,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:19,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:19,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:19,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:19,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:19,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:19,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:19,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a280988f-58e5-476e-841a-ef3744275e69/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:35:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:35:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:35:19,930 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:19,934 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:20,307 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:20,387 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:20,388 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:35:20,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:20 BoogieIcfgContainer [2023-11-21 18:35:20,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:20,391 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:20,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:20,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:20,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:20" (1/1) ... [2023-11-21 18:35:20,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:20,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:35:20,471 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:35:20,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:35:20,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:20,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:35:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:35:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:35:20,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:20,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:35:20,967 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:35:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:35:20,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:20,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:35:21,054 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:35:21,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:35:21,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:21,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:21,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:35:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:35:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:35:21,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:21,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2023-11-21 18:35:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-11-21 18:35:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:35:21,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:21,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-21 18:35:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-21 18:35:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:35:22,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:22,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:35:22,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 104 states and 154 transitions. [2023-11-21 18:35:23,299 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-21 18:35:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:35:23,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:23,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:23,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:23,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2023-11-21 18:35:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-21 18:35:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:35:24,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:24,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:24,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:24,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 216 transitions. [2023-11-21 18:35:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2023-11-21 18:35:25,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:35:25,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:25,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:26,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:26,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2023-11-21 18:35:26,797 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2023-11-21 18:35:26,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:35:26,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:26,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:26,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:26,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:27,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 241 transitions. [2023-11-21 18:35:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2023-11-21 18:35:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:35:27,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:27,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:27,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:35:27,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 146 states and 293 transitions. [2023-11-21 18:35:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 293 transitions. [2023-11-21 18:35:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:35:29,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:29,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:29,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:29,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 157 states and 319 transitions. [2023-11-21 18:35:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 319 transitions. [2023-11-21 18:35:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:35:31,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:31,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:31,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:31,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 158 states and 320 transitions. [2023-11-21 18:35:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 320 transitions. [2023-11-21 18:35:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:35:31,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:31,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:31,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:31,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 164 states and 331 transitions. [2023-11-21 18:35:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2023-11-21 18:35:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:35:33,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:33,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:33,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:36,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 177 states and 358 transitions. [2023-11-21 18:35:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 358 transitions. [2023-11-21 18:35:36,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:35:36,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:36,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:36,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:36,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 184 states and 369 transitions. [2023-11-21 18:35:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 369 transitions. [2023-11-21 18:35:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:35:38,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:38,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:38,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:38,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 198 states and 395 transitions. [2023-11-21 18:35:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 395 transitions. [2023-11-21 18:35:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:35:42,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:42,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:42,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:35:42,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:35:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 206 states and 416 transitions. [2023-11-21 18:35:44,117 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 416 transitions. [2023-11-21 18:35:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:35:44,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:44,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:44,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:44,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:35:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 216 states and 441 transitions. [2023-11-21 18:35:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 441 transitions. [2023-11-21 18:35:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:35:46,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:46,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:46,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:46,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:35:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 227 states and 467 transitions. [2023-11-21 18:35:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 467 transitions. [2023-11-21 18:35:49,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:35:49,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:49,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:49,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:49,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:35:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 241 states and 506 transitions. [2023-11-21 18:35:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 506 transitions. [2023-11-21 18:35:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:35:53,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:53,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:53,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:53,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:35:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 245 states and 511 transitions. [2023-11-21 18:35:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 511 transitions. [2023-11-21 18:35:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:35:54,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:54,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:54,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:35:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:56,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 253 states and 541 transitions. [2023-11-21 18:35:56,833 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 541 transitions. [2023-11-21 18:35:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:35:56,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:56,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:56,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:56,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:35:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 257 states and 545 transitions. [2023-11-21 18:35:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 545 transitions. [2023-11-21 18:35:58,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:35:58,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:58,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:58,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:58,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:35:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 263 states and 568 transitions. [2023-11-21 18:35:59,482 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 568 transitions. [2023-11-21 18:35:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:35:59,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:59,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:59,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 276 states and 602 transitions. [2023-11-21 18:36:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 602 transitions. [2023-11-21 18:36:02,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:36:02,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:02,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:03,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:03,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:03,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 277 states and 603 transitions. [2023-11-21 18:36:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 603 transitions. [2023-11-21 18:36:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:36:03,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:03,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:03,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:03,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 286 states and 628 transitions. [2023-11-21 18:36:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 628 transitions. [2023-11-21 18:36:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:36:04,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:04,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:04,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:04,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:36:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 297 states and 660 transitions. [2023-11-21 18:36:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 660 transitions. [2023-11-21 18:36:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:36:06,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:06,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:06,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:06,998 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:36:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 301 states and 664 transitions. [2023-11-21 18:36:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 664 transitions. [2023-11-21 18:36:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:36:08,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:08,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:08,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:08,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:08,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:36:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 310 states and 689 transitions. [2023-11-21 18:36:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 689 transitions. [2023-11-21 18:36:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:36:09,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:09,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:09,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:09,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.