./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/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_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/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_e04a77d9-b580-4f33-b76e-9620eaddb16d/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 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:48,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:48,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:27:48,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:27:48,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:27:48,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:48,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:48,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:48,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:48,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:48,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:48,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:48,813 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:27:48,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:27:48,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:27:48,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:48,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:48,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:48,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:48,818 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:48,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:48,819 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:27:48,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:48,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:48,821 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:48,821 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:48,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:48,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:48,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:48,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:48,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:48,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:48,825 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:27:48,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:27:48,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:48,826 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_e04a77d9-b580-4f33-b76e-9620eaddb16d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 [2023-11-21 18:27:49,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:49,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:49,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:49,212 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:49,213 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:49,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2023-11-21 18:27:52,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:52,604 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:52,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2023-11-21 18:27:52,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/data/95c4579ad/d89c964ba0544af89b7ea8cf06b23f62/FLAGd1ca5eb87 [2023-11-21 18:27:52,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/data/95c4579ad/d89c964ba0544af89b7ea8cf06b23f62 [2023-11-21 18:27:52,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:52,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:52,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:52,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:52,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:52,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:52,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95a6c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52, skipping insertion in model container [2023-11-21 18:27:52,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:52,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:52,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:52,946 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:52,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:52,981 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:52,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52 WrapperNode [2023-11-21 18:27:52,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:52,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:52,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:52,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:52,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,026 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2023-11-21 18:27:53,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:53,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:53,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:53,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:53,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:53,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:53,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:53,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:53,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:52" (1/1) ... [2023-11-21 18:27:53,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:53,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:53,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:53,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e04a77d9-b580-4f33-b76e-9620eaddb16d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:27:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:27:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:27:53,231 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:53,234 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:53,375 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:53,428 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:53,429 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:27:53,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:53 BoogieIcfgContainer [2023-11-21 18:27:53,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:53,432 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:53,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:53,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:53,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:53" (1/1) ... [2023-11-21 18:27:53,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-21 18:27:53,509 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-21 18:27:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:27:53,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:53,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:53,794 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 18:27:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-11-21 18:27:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-11-21 18:27:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:27:53,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:54,013 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 18:27:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-21 18:27:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-21 18:27:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:27:54,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:54,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:27:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-21 18:27:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-21 18:27:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:27:54,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:54,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:27:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:55,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-11-21 18:27:55,057 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-21 18:27:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:27:55,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:55,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:27:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 41 transitions. [2023-11-21 18:27:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2023-11-21 18:27:55,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:27:55,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:55,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:27:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:55,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 53 transitions. [2023-11-21 18:27:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-21 18:27:55,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:27:55,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:55,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:27:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 65 transitions. [2023-11-21 18:27:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2023-11-21 18:27:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:27:56,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:56,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 18:27:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 77 transitions. [2023-11-21 18:27:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2023-11-21 18:27:57,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:27:57,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:57,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 18:27:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 62 states and 89 transitions. [2023-11-21 18:27:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2023-11-21 18:27:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:27:58,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:58,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-21 18:27:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 101 transitions. [2023-11-21 18:27:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2023-11-21 18:27:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-21 18:27:59,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:59,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:28:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:00,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 78 states and 113 transitions. [2023-11-21 18:28:00,479 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2023-11-21 18:28:00,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-21 18:28:00,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:00,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-21 18:28:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 86 states and 125 transitions. [2023-11-21 18:28:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2023-11-21 18:28:02,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:28:02,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-21 18:28:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 94 states and 137 transitions. [2023-11-21 18:28:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2023-11-21 18:28:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-21 18:28:03,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:05,086 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 0 proven. 440 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-21 18:28:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 149 transitions. [2023-11-21 18:28:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2023-11-21 18:28:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-21 18:28:05,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:05,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-21 18:28:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 110 states and 161 transitions. [2023-11-21 18:28:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2023-11-21 18:28:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-21 18:28:07,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:07,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 0 proven. 624 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-21 18:28:09,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:09,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 118 states and 173 transitions. [2023-11-21 18:28:09,636 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 173 transitions. [2023-11-21 18:28:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-21 18:28:09,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:09,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 0 proven. 728 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-21 18:28:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:11,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 126 states and 185 transitions. [2023-11-21 18:28:11,627 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-11-21 18:28:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-21 18:28:11,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:11,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-21 18:28:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 197 transitions. [2023-11-21 18:28:13,981 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 197 transitions. [2023-11-21 18:28:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-21 18:28:13,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:13,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-21 18:28:16,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 142 states and 209 transitions. [2023-11-21 18:28:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2023-11-21 18:28:16,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-21 18:28:16,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 0 proven. 1088 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2023-11-21 18:28:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 221 transitions. [2023-11-21 18:28:19,234 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 221 transitions. [2023-11-21 18:28:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-21 18:28:19,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:19,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 1224 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2023-11-21 18:28:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 158 states and 233 transitions. [2023-11-21 18:28:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 233 transitions. [2023-11-21 18:28:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-21 18:28:22,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:22,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2774 backedges. 0 proven. 1368 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-21 18:28:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 166 states and 245 transitions. [2023-11-21 18:28:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 245 transitions. [2023-11-21 18:28:25,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-21 18:28:25,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:25,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 1520 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2023-11-21 18:28:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 174 states and 257 transitions. [2023-11-21 18:28:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2023-11-21 18:28:29,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-21 18:28:29,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:29,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 0 proven. 1680 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked.